<?xml version="1.0"?>
<div class="add">

<b>let </b><font color="Maroon" title="c1">IAlph</font>, <font color="Maroon" title="c2">OAlph</font> be  non <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>  <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/><b>let </b><font color="Maroon" title="c3">CRtfsm1</font>, <font color="Maroon" title="c4">CRtfsm2</font> be  non <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a> <a href="struct_0.html#V8" title="STRUCT_0:attr.8">finite</a> <a href="fsm_1.html#V5" title="FSM_1:attr.5">reduced</a> <a href="fsm_1.html#V7" title="FSM_1:attr.7">connected</a>  <a href="fsm_1.html#L2" title="FSM_1:struct.2">Mealy-FSM</a> of <font color="Maroon" title="c1">IAlph</font>,<font color="Maroon" title="c2">OAlph</font>;<br/>







<b>set </b><font color="Maroon" title="c5">rtfsm1</font> = <font color="Maroon" title="c3">CRtfsm1</font>;<br/>
<b>set </b><font color="Maroon" title="c6">rtfsm2</font> = <font color="Maroon" title="c4">CRtfsm2</font>;<br/>
<b>assume </b><a NAME="E1:114"/><i><font color="Green" title="E86">A1</font></i>: 
( the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="subset_1.html#R1" title="SUBSET_1:pred.1">misses</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font> &amp; <font color="Maroon" title="c3">CRtfsm1</font>,<font color="Maroon" title="c4">CRtfsm2</font> <a href="fsm_1.html#R4" title="FSM_1:pred.4">-are_equivalent</a>  )
 ;<br/>

<b>set </b><font color="Maroon" title="c7">UN</font> = <font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font>;<br/>
<b>set </b><font color="Maroon" title="c8">RUN</font> =  <a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>;<br/>
<b>set </b><font color="Maroon" title="c9">SRUN</font> = the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span>;<br/>
<b>set </b><font color="Maroon" title="c10">Srtfsm1</font> = the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font>;<br/>
<b>set </b><font color="Maroon" title="c11">Srtfsm2</font> = the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font>;<br/>
<a NAME="E2:114"/><i><font color="Green" title="E87">A2</font></i>: 
the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="fsm_1.html#K8" title="FSM_1:func.8">final_states_partition</a> <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 
<b>by </b><i><a class="ref" href="fsm_1.html#D18" target="_self" title="FSM_1:def.18">Def18</a></i>;<br/>
<b>defpred </b><font color="Maroon">S<sub>1</sub></font>[   <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ,   <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ] <b>means </b> ex <font color="Olive" title="b1">part</font> being   <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span> st <br/>( $1 <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Olive" title="b1">part</font> &amp; $2 <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Olive" title="b1">part</font> <a href="subset_1.html#K6" title="SUBSET_1:func.6">\</a> <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default">$1</span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span> );<br/>
<a NAME="E3:114"/><i><font color="Green" title="E88">A3</font></i>: 
for <font color="Olive" title="b1">x</font>, <font color="Olive" title="b2">y1</font>, <font color="Olive" title="b3">y2</font> being   <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a>   st <font color="Olive" title="b1">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> &amp; <font color="Maroon">S<sub>1</sub></font>[<font color="Olive" title="b1">x</font>,<font color="Olive" title="b2">y1</font>] &amp; <font color="Maroon">S<sub>1</sub></font>[<font color="Olive" title="b1">x</font>,<font color="Olive" title="b3">y2</font>] holds <br/><font color="Olive" title="b2">y1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b3">y2</font>
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="114_1"><b>proof </b></a><div class="add">

<b>let </b><font color="Maroon" title="c12">x</font>, <font color="Maroon" title="c13">y1</font>, <font color="Maroon" title="c14">y2</font> be    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/>

<b>assume </b><a NAME="E1:114_1"/><i><font color="Green" title="E89">A4</font></i>: 
( <font color="Maroon" title="c12">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> &amp; <font color="Maroon">S<sub>1</sub></font>[<font color="Maroon" title="c12">x</font>,<font color="Maroon" title="c13">y1</font>] &amp; <font color="Maroon">S<sub>1</sub></font>[<font color="Maroon" title="c12">x</font>,<font color="Maroon" title="c14">y2</font>] )
 ;<br/>

<b>then reconsider </b><font color="Maroon" title="c15">x'</font> = <font color="Maroon" title="c12">x</font> as    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> ;<br/>
<b>consider </b><font color="Maroon" title="c16">part1</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span><b> such that </b><br/><a NAME="E4:114_1"/><i><font color="Green" title="E90">A5</font></i>: 
( <font color="Maroon" title="c15">x'</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c16">part1</font> &amp; <font color="Maroon" title="c13">y1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c16">part1</font> <a href="subset_1.html#K6" title="SUBSET_1:func.6">\</a> <span class="p1"><a href="domain_1.html#K6" title="DOMAIN_1:func.6">{</a><span class="default"><font color="Maroon" title="c15">x'</font></span><a href="domain_1.html#K6" title="DOMAIN_1:func.6">}</a></span> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E1:114_1"><i><font color="Green" title="E89">A4</font></i></a></i>;<br/>
<b>consider </b><font color="Maroon" title="c17">part2</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span><b> such that </b><br/><a NAME="E6:114_1"/><i><font color="Green" title="E91">A6</font></i>: 
( <font color="Maroon" title="c15">x'</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c17">part2</font> &amp; <font color="Maroon" title="c14">y2</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c17">part2</font> <a href="subset_1.html#K6" title="SUBSET_1:func.6">\</a> <span class="p1"><a href="domain_1.html#K6" title="DOMAIN_1:func.6">{</a><span class="default"><font color="Maroon" title="c15">x'</font></span><a href="domain_1.html#K6" title="DOMAIN_1:func.6">}</a></span> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E1:114_1"><i><font color="Green" title="E89">A4</font></i></a></i>;<br/>
<b>assume </b><a NAME="E7:114_1"/><i><font color="Green" title="E92">A7</font></i>: 
<font color="Maroon" title="c13">y1</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c14">y2</font>
 ;<br/>

<a NAME="E8:114_1"/><i><font color="Green" title="E93">A8</font></i>: 
<font color="Maroon" title="c13">y1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c16">part1</font>
 
<b>by </b><i><a class="txt" href="fsm_1.html#E4:114_1"><i><font color="Green" title="E90">A5</font></i></a></i>;<br/>
<a NAME="E9:114_1"/>
<font color="Maroon" title="c16">part1</font> is   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 
<b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a></i>;<br/>
<a NAME="E10:114_1"/><b>then </b>
<font color="Maroon" title="c16">part1</font> is   <a href="subset_1.html#NM2" title="SUBSET_1:NM.2">Subset</a> of <span class="p1">(<span class="default">the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="xboole_0.html#K2" title="XBOOLE_0:func.2">\/</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 
<b>by </b><i><a class="ref" href="fsm_1.html#D24" target="_self" title="FSM_1:def.24">Def24</a></i>;<br/>
<a NAME="E11:114_1"/><b>then </b><i><font color="Green" title="E94">A9</font></i>: 
( <font color="Maroon" title="c13">y1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> or <font color="Maroon" title="c13">y1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font> )
 
<b>by </b><i><a class="txt" href="fsm_1.html#E8:114_1"><i><font color="Green" title="E93">A8</font></i></a>, <a class="ref" href="xboole_0.html#D2" title="XBOOLE_0:def.2">XBOOLE_0:def 2</a></i>;<br/>
<a NAME="E12:114_1"/><i><font color="Green" title="E95">A10</font></i>: 
not <font color="Maroon" title="c13">y1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font>
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="114_1_1"><b>proof </b></a><div class="add">

<b>assume </b><a NAME="E1:114_1_1"/><i><font color="Green" title="E96">A11</font></i>: 
<font color="Maroon" title="c13">y1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font>
 ;<br/>

<b>reconsider </b><font color="Maroon" title="c18">y1</font> = <font color="Maroon" title="c13">y1</font> as    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c16">part1</font> <b>by </b><i><a class="txt" href="fsm_1.html#E4:114_1"><i><font color="Green" title="E90">A5</font></i></a></i>;<br/>
<b>reconsider </b><font color="Maroon" title="c19">x'</font> = <font color="Maroon" title="c15">x'</font> as    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c16">part1</font> <b>by </b><i><a class="txt" href="fsm_1.html#E4:114_1"><i><font color="Green" title="E90">A5</font></i></a></i>;<br/>
<a NAME="E4:114_1_1"/>
<font color="Maroon" title="c18">y1</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c19">x'</font>
 
<b>by </b><i><a class="txt" href="fsm_1.html#E4:114_1"><i><font color="Green" title="E90">A5</font></i></a>, <a class="ref" href="zfmisc_1.html#T64" title="ZFMISC_1:th.64">ZFMISC_1:64</a></i>;<br/>
<b>hence </b><a NAME="E5:114_1_1"/>
contradiction
 <b>by </b><i><a class="txt" href="fsm_1.html#E1:114"><i><font color="Green" title="E86">A1</font></i></a>, <a class="txt" href="fsm_1.html#E1:114_1_1"><i><font color="Green" title="E96">A11</font></i></a>, <a class="ref" href="fsm_1.html#T78" target="_self" title="FSM_1:th.78">Th78</a></i>;<br/>


</div><b>end;</b></div>
<a NAME="E13:114_1"/><i><font color="Green" title="E96">A12</font></i>: 
<font color="Maroon" title="c14">y2</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c17">part2</font>
 
<b>by </b><i><a class="txt" href="fsm_1.html#E6:114_1"><i><font color="Green" title="E91">A6</font></i></a></i>;<br/>
<a NAME="E14:114_1"/>
<font color="Maroon" title="c17">part2</font> is   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 
<b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a></i>;<br/>
<a NAME="E15:114_1"/><b>then </b>
<font color="Maroon" title="c17">part2</font> is   <a href="subset_1.html#NM2" title="SUBSET_1:NM.2">Subset</a> of <span class="p1">(<span class="default">the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="xboole_0.html#K2" title="XBOOLE_0:func.2">\/</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 
<b>by </b><i><a class="ref" href="fsm_1.html#D24" target="_self" title="FSM_1:def.24">Def24</a></i>;<br/>
<a NAME="E16:114_1"/><b>then </b><i><font color="Green" title="E97">A13</font></i>: 
( <font color="Maroon" title="c14">y2</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> or <font color="Maroon" title="c14">y2</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font> )
 
<b>by </b><i><a class="txt" href="fsm_1.html#E13:114_1"><i><font color="Green" title="E96">A12</font></i></a>, <a class="ref" href="xboole_0.html#D2" title="XBOOLE_0:def.2">XBOOLE_0:def 2</a></i>;<br/>
<a NAME="E17:114_1"/><i><font color="Green" title="E98">A14</font></i>: 
not <font color="Maroon" title="c14">y2</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font>
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="114_1_2"><b>proof </b></a><div class="add">

<b>assume </b><a NAME="E1:114_1_2"/><i><font color="Green" title="E99">A15</font></i>: 
<font color="Maroon" title="c14">y2</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font>
 ;<br/>

<b>reconsider </b><font color="Maroon" title="c18">y2</font> = <font color="Maroon" title="c14">y2</font> as    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c17">part2</font> <b>by </b><i><a class="txt" href="fsm_1.html#E6:114_1"><i><font color="Green" title="E91">A6</font></i></a></i>;<br/>
<b>reconsider </b><font color="Maroon" title="c19">x'</font> = <font color="Maroon" title="c15">x'</font> as    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c17">part2</font> <b>by </b><i><a class="txt" href="fsm_1.html#E6:114_1"><i><font color="Green" title="E91">A6</font></i></a></i>;<br/>
<a NAME="E4:114_1_2"/>
<font color="Maroon" title="c18">y2</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c19">x'</font>
 
<b>by </b><i><a class="txt" href="fsm_1.html#E6:114_1"><i><font color="Green" title="E91">A6</font></i></a>, <a class="ref" href="zfmisc_1.html#T64" title="ZFMISC_1:th.64">ZFMISC_1:64</a></i>;<br/>
<b>hence </b><a NAME="E5:114_1_2"/>
contradiction
 <b>by </b><i><a class="txt" href="fsm_1.html#E1:114"><i><font color="Green" title="E86">A1</font></i></a>, <a class="txt" href="fsm_1.html#E1:114_1_2"><i><font color="Green" title="E99">A15</font></i></a>, <a class="ref" href="fsm_1.html#T78" target="_self" title="FSM_1:th.78">Th78</a></i>;<br/>


</div><b>end;</b></div>
<a NAME="E18:114_1"/><i><font color="Green" title="E99">A16</font></i>: 
<font color="Maroon" title="c16">part1</font> is   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 
<b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a></i>;<br/>
<a NAME="E19:114_1"/>
<font color="Maroon" title="c17">part2</font> is   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 
<b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a></i>;<br/>
<a NAME="E20:114_1"/><b>then </b>
( <font color="Maroon" title="c16">part1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c17">part2</font> or <font color="Maroon" title="c16">part1</font> <a href="xboole_0.html#R1" title="XBOOLE_0:pred.1">misses</a> <font color="Maroon" title="c17">part2</font> )
 
<b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="txt" href="fsm_1.html#E18:114_1"><i><font color="Green" title="E99">A16</font></i></a>, <a class="ref" href="eqrel_1.html#D6" title="EQREL_1:def.6">EQREL_1:def 6</a></i>;<br/>
<b>hence </b><a NAME="E21:114_1"/>
contradiction
 <b>by </b><i><a class="txt" href="fsm_1.html#E1:114"><i><font color="Green" title="E86">A1</font></i></a>, <a class="txt" href="fsm_1.html#E4:114_1"><i><font color="Green" title="E90">A5</font></i></a>, <a class="txt" href="fsm_1.html#E6:114_1"><i><font color="Green" title="E91">A6</font></i></a>, <a class="txt" href="fsm_1.html#E7:114_1"><i><font color="Green" title="E92">A7</font></i></a>, <a class="txt" href="fsm_1.html#E11:114_1"><i><font color="Green" title="E94">A9</font></i></a>, <a class="txt" href="fsm_1.html#E12:114_1"><i><font color="Green" title="E95">A10</font></i></a>, <a class="txt" href="fsm_1.html#E16:114_1"><i><font color="Green" title="E97">A13</font></i></a>, <a class="txt" href="fsm_1.html#E17:114_1"><i><font color="Green" title="E98">A14</font></i></a>, <a class="ref" href="fsm_1.html#T79" target="_self" title="FSM_1:th.79">Th79</a>, <a class="ref" href="xboole_0.html#T3" title="XBOOLE_0:th.3">XBOOLE_0:3</a></i>;<br/>


</div><b>end;</b></div>
<a NAME="E4:114"/><i><font color="Green" title="E89">A17</font></i>: 
for <font color="Olive" title="b1">x</font> being   <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a>   st <font color="Olive" title="b1">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> holds <br/> ex <font color="Olive" title="b2">y</font> being   <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a>  st <font color="Maroon">S<sub>1</sub></font>[<font color="Olive" title="b1">x</font>,<font color="Olive" title="b2">y</font>]
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="114_2"><b>proof </b></a><div class="add">

<b>let </b><font color="Maroon" title="c12">x</font> be    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/>

<b>assume </b><a NAME="E1:114_2"/><i><font color="Green" title="E90">A18</font></i>: 
<font color="Maroon" title="c12">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font>
 ;<br/>

<a NAME="E2:114_2"/><b>then </b>
<font color="Maroon" title="c12">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="xboole_0.html#K2" title="XBOOLE_0:func.2">\/</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font>
 
<b>by </b><i><a class="ref" href="xboole_0.html#D2" title="XBOOLE_0:def.2">XBOOLE_0:def 2</a></i>;<br/>
<a NAME="E3:114_2"/><b>then </b><i><font color="Green" title="E91">A19</font></i>: 
<font color="Maroon" title="c12">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 
<b>by </b><i><a class="ref" href="fsm_1.html#D24" target="_self" title="FSM_1:def.24">Def24</a></i>;<br/>
<a NAME="E4:114_2"/>
 <a href="tarski.html#K3" title="TARSKI:func.3">union</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 
<b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="ref" href="eqrel_1.html#D6" title="EQREL_1:def.6">EQREL_1:def 6</a></i>;<br/>
<b>then consider </b><font color="Maroon" title="c13">part</font> being    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> <b> such that </b><br/><a NAME="E6:114_2"/><i><font color="Green" title="E92">A20</font></i>: 
( <font color="Maroon" title="c12">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c13">part</font> &amp; <font color="Maroon" title="c13">part</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E3:114_2"><i><font color="Green" title="E91">A19</font></i></a>, <a class="ref" href="tarski.html#D4" title="TARSKI:def.4">TARSKI:def 4</a></i>;<br/>
<b>reconsider </b><font color="Maroon" title="c14">part</font> = <font color="Maroon" title="c13">part</font> as    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span> <b>by </b><i><a class="txt" href="fsm_1.html#E6:114_2"><i><font color="Green" title="E92">A20</font></i></a></i>;<br/>
<b>set </b><font color="Maroon" title="c15">xs</font> = <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><font color="Maroon" title="c12">x</font></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span>;<br/>
<b>consider </b><font color="Maroon" title="c16">p</font>, <font color="Maroon" title="c17">y</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c14">part</font><b> such that </b><br/><a NAME="E9:114_2"/><i><font color="Green" title="E93">A21</font></i>: 
( <font color="Maroon" title="c16">p</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> &amp; <font color="Maroon" title="c17">y</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font> &amp; ( for <font color="Olive" title="b1">z</font> being   <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c14">part</font>  holds <br/>( <font color="Olive" title="b1">z</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c16">p</font> or <font color="Olive" title="b1">z</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c17">y</font> ) ) )
 <b>by </b><i><a class="txt" href="fsm_1.html#E1:114"><i><font color="Green" title="E86">A1</font></i></a>, <a class="ref" href="fsm_1.html#T80" target="_self" title="FSM_1:th.80">Th80</a></i>;<br/>
<a NAME="E10:114_2"/>
<font color="Maroon" title="c12">x</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c17">y</font>
 
<b>by </b><i><a class="txt" href="fsm_1.html#E1:114"><i><font color="Green" title="E86">A1</font></i></a>, <a class="txt" href="fsm_1.html#E1:114_2"><i><font color="Green" title="E90">A18</font></i></a>, <a class="txt" href="fsm_1.html#E9:114_2"><i><font color="Green" title="E93">A21</font></i></a>, <a class="ref" href="xboole_0.html#T3" title="XBOOLE_0:th.3">XBOOLE_0:3</a></i>;<br/>
<a NAME="E11:114_2"/><b>then </b><i><font color="Green" title="E94">A22</font></i>: 
<font color="Maroon" title="c17">y</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c14">part</font> <a href="subset_1.html#K6" title="SUBSET_1:func.6">\</a> <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><font color="Maroon" title="c12">x</font></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span>
 
<b>by </b><i><a class="txt" href="fsm_1.html#E6:114_2"><i><font color="Green" title="E92">A20</font></i></a>, <a class="ref" href="zfmisc_1.html#T64" title="ZFMISC_1:th.64">ZFMISC_1:64</a></i>;<br/>
<b>set </b><font color="Maroon" title="c18">IT</font> = <font color="Maroon" title="c17">y</font>;<br/>
<b>take </b>
<font color="Maroon" title="c17">y</font>
;<br/>

<b>thus </b><a NAME="E12:114_2"/>
<font color="Maroon">S<sub>1</sub></font>[<font color="Maroon" title="c12">x</font>,<font color="Maroon" title="c17">y</font>]
 <b>by </b><i><a class="txt" href="fsm_1.html#E6:114_2"><i><font color="Green" title="E92">A20</font></i></a>, <a class="txt" href="fsm_1.html#E11:114_2"><i><font color="Green" title="E94">A22</font></i></a></i>;<br/>


</div><b>end;</b></div>
<b>consider </b><font color="Maroon" title="c12">f</font> being   <a href="funct_1.html#NM1" title="FUNCT_1:NM.1">Function</a><b> such that </b><br/><a NAME="E6:114"/><i><font color="Green" title="E90">A23</font></i>: 
(  <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> <font color="Maroon" title="c12">f</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> &amp; ( for <font color="Olive" title="b1">x</font> being   <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a>   st <font color="Olive" title="b1">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> holds <br/><font color="Maroon">S<sub>1</sub></font>[<font color="Olive" title="b1">x</font>,<font color="Maroon" title="c12">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Olive" title="b1">x</font>] ) )
 <b>from </b><i><a class="ref" href="funct_1.html#S2" title="FUNCT_1:sch.2">FUNCT_1:sch 2</a>(<a class="txt" href="fsm_1.html#E3:114"><i><font color="Green" title="E88">A3</font></i></a>, <a class="txt" href="fsm_1.html#E4:114"><i><font color="Green" title="E89">A17</font></i></a>);<br/></i>
<a NAME="E7:114"/><i><font color="Green" title="E91">A24</font></i>: 
<font color="Maroon" title="c12">f</font> is <a href="funct_1.html#V2" title="FUNCT_1:attr.2">one-to-one</a>
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="114_3"><b>proof </b></a><div class="add">

<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="114_3_1"><b>now </b></a><div class="add"><b>let </b><font color="Maroon" title="c13">x1</font>, <font color="Maroon" title="c14">x2</font> be    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/><b>assume </b><a NAME="E1:114_3_1"/><i><font color="Green" title="E92">A25</font></i>: 
( <font color="Maroon" title="c13">x1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> <font color="Maroon" title="c12">f</font> &amp; <font color="Maroon" title="c14">x2</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> <font color="Maroon" title="c12">f</font> &amp; <font color="Maroon" title="c12">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c13">x1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c12">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c14">x2</font> )
 ;<br/><b>assume </b><a NAME="E2:114_3_1"/><i><font color="Green" title="E93">A26</font></i>: 
<font color="Maroon" title="c13">x1</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c14">x2</font>
 ;<br/><b>consider </b><font color="Maroon" title="c15">part1</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span><b> such that </b><br/><a NAME="E4:114_3_1"/><i><font color="Green" title="E94">A27</font></i>: 
( <font color="Maroon" title="c13">x1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c15">part1</font> &amp; <font color="Maroon" title="c12">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c13">x1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c15">part1</font> <a href="subset_1.html#K6" title="SUBSET_1:func.6">\</a> <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><font color="Maroon" title="c13">x1</font></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E6:114"><i><font color="Green" title="E90">A23</font></i></a>, <a class="txt" href="fsm_1.html#E1:114_3_1"><i><font color="Green" title="E92">A25</font></i></a></i>;<br/><b>consider </b><font color="Maroon" title="c16">part2</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span><b> such that </b><br/><a NAME="E6:114_3_1"/><i><font color="Green" title="E95">A28</font></i>: 
( <font color="Maroon" title="c14">x2</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c16">part2</font> &amp; <font color="Maroon" title="c12">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c14">x2</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c16">part2</font> <a href="subset_1.html#K6" title="SUBSET_1:func.6">\</a> <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><font color="Maroon" title="c14">x2</font></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E6:114"><i><font color="Green" title="E90">A23</font></i></a>, <a class="txt" href="fsm_1.html#E1:114_3_1"><i><font color="Green" title="E92">A25</font></i></a></i>;<br/><a NAME="E7:114_3_1"/><i><font color="Green" title="E96">A29</font></i>: 
<font color="Maroon" title="c15">part1</font> is   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 <b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a></i>;<br/><a NAME="E8:114_3_1"/>
<font color="Maroon" title="c16">part2</font> is   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 <b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a></i>;<br/><a NAME="E9:114_3_1"/><b>then </b>
( <font color="Maroon" title="c15">part1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c16">part2</font> or <font color="Maroon" title="c15">part1</font> <a href="xboole_0.html#R1" title="XBOOLE_0:pred.1">misses</a> <font color="Maroon" title="c16">part2</font> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="txt" href="fsm_1.html#E7:114_3_1"><i><font color="Green" title="E96">A29</font></i></a>, <a class="ref" href="eqrel_1.html#D6" title="EQREL_1:def.6">EQREL_1:def 6</a></i>;<br/><b>hence </b><a NAME="E10:114_3_1"/>
contradiction
 <b>by </b><i><a class="txt" href="fsm_1.html#E1:114"><i><font color="Green" title="E86">A1</font></i></a>, <a class="txt" href="fsm_1.html#E6:114"><i><font color="Green" title="E90">A23</font></i></a>, <a class="txt" href="fsm_1.html#E1:114_3_1"><i><font color="Green" title="E92">A25</font></i></a>, <a class="txt" href="fsm_1.html#E2:114_3_1"><i><font color="Green" title="E93">A26</font></i></a>, <a class="txt" href="fsm_1.html#E4:114_3_1"><i><font color="Green" title="E94">A27</font></i></a>, <a class="txt" href="fsm_1.html#E6:114_3_1"><i><font color="Green" title="E95">A28</font></i></a>, <a class="ref" href="fsm_1.html#T78" target="_self" title="FSM_1:th.78">Th78</a>, <a class="ref" href="xboole_0.html#T3" title="XBOOLE_0:th.3">XBOOLE_0:3</a></i>;<br/></div><b>end;</b></div>
<b>hence </b><a NAME="E2:114_3"/>
<font color="Maroon" title="c12">f</font> is <a href="funct_1.html#V2" title="FUNCT_1:attr.2">one-to-one</a>
 <b>by </b><i><a class="ref" href="funct_1.html#D8" title="FUNCT_1:def.8">FUNCT_1:def 8</a></i>;<br/>


</div><b>end;</b></div>
<a NAME="E8:114"/><i><font color="Green" title="E92">A30</font></i>: 
 <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c12">f</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font>
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="114_4"><b>proof </b></a><div class="add">

<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="114_4_1"><b>now </b></a><div class="add"><b>assume </b><a NAME="E1:114_4_1"/><i><font color="Green" title="E93">A31</font></i>: 
(  not  <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c12">f</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font> or  not the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c12">f</font> )
 ;<br/><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="114_4_1_1"><b>per </b></a><a class="txt" onclick="hs(this)" href="javascript:()"><b>cases </b></a><span class="hide"><a NAME="E1:114_4_1_1"/>
(  not  <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c12">f</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font> or  not the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c12">f</font> )
 </span><b>by </b><i><a class="txt" href="fsm_1.html#E1:114_4_1"><i><font color="Green" title="E93">A31</font></i></a></i>;<br/><div class="add"><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="114_4_1_1_1"><b>suppose </b></a><a NAME="E1:114_4_1_1_1"/>
not  <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c12">f</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font>
 ;<br/><div class="add"><b>then consider </b><font color="Maroon" title="c13">y1</font> being    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> <b> such that </b><br/><a NAME="E3:114_4_1_1_1"/><i><font color="Green" title="E94">A32</font></i>: 
( <font color="Maroon" title="c13">y1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c12">f</font> &amp; not <font color="Maroon" title="c13">y1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font> )
 <b>by </b><i><a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a></i>;<br/><b>consider </b><font color="Maroon" title="c14">x1</font> being    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> <b> such that </b><br/><a NAME="E5:114_4_1_1_1"/><i><font color="Green" title="E95">A33</font></i>: 
( <font color="Maroon" title="c14">x1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> &amp; <font color="Maroon" title="c13">y1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c12">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c14">x1</font> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E6:114"><i><font color="Green" title="E90">A23</font></i></a>, <a class="txt" href="fsm_1.html#E3:114_4_1_1_1"><i><font color="Green" title="E94">A32</font></i></a>, <a class="ref" href="funct_1.html#D5" title="FUNCT_1:def.5">FUNCT_1:def 5</a></i>;<br/><b>consider </b><font color="Maroon" title="c15">part1</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span><b> such that </b><br/><a NAME="E7:114_4_1_1_1"/><i><font color="Green" title="E96">A34</font></i>: 
( <font color="Maroon" title="c14">x1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c15">part1</font> &amp; <font color="Maroon" title="c12">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c14">x1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c15">part1</font> <a href="subset_1.html#K6" title="SUBSET_1:func.6">\</a> <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><font color="Maroon" title="c14">x1</font></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E6:114"><i><font color="Green" title="E90">A23</font></i></a>, <a class="txt" href="fsm_1.html#E5:114_4_1_1_1"><i><font color="Green" title="E95">A33</font></i></a></i>;<br/><a NAME="E8:114_4_1_1_1"/><i><font color="Green" title="E97">A35</font></i>: 
<font color="Maroon" title="c13">y1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c15">part1</font>
 <b>by </b><i><a class="txt" href="fsm_1.html#E5:114_4_1_1_1"><i><font color="Green" title="E95">A33</font></i></a>, <a class="txt" href="fsm_1.html#E7:114_4_1_1_1"><i><font color="Green" title="E96">A34</font></i></a></i>;<br/><a NAME="E9:114_4_1_1_1"/>
<font color="Maroon" title="c15">part1</font> is   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 <b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a></i>;<br/><a NAME="E10:114_4_1_1_1"/><b>then </b><i><font color="Green" title="E98">A36</font></i>: 
<font color="Maroon" title="c15">part1</font> is   <a href="subset_1.html#NM2" title="SUBSET_1:NM.2">Subset</a> of <span class="p1">(<span class="default">the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="xboole_0.html#K2" title="XBOOLE_0:func.2">\/</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 <b>by </b><i><a class="ref" href="fsm_1.html#D24" target="_self" title="FSM_1:def.24">Def24</a></i>;<br/><div><a class="txt" onclick="hs2(this)" href="javascript:()" title="114_4_1_1_1_1"><b>now </b></a><div class="add"><b>assume </b><a NAME="E1:114_4_1_1_1_1"/><i><font color="Green" title="E99">A37</font></i>: 
<font color="Maroon" title="c13">y1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font>
 ;<br/><a NAME="E2:114_4_1_1_1_1"/>
<font color="Maroon" title="c13">y1</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c14">x1</font>
 <b>by </b><i><a class="txt" href="fsm_1.html#E5:114_4_1_1_1"><i><font color="Green" title="E95">A33</font></i></a>, <a class="txt" href="fsm_1.html#E7:114_4_1_1_1"><i><font color="Green" title="E96">A34</font></i></a>, <a class="ref" href="zfmisc_1.html#T64" title="ZFMISC_1:th.64">ZFMISC_1:64</a></i>;<br/><b>hence </b><a NAME="E3:114_4_1_1_1_1"/>
contradiction
 <b>by </b><i><a class="txt" href="fsm_1.html#E1:114"><i><font color="Green" title="E86">A1</font></i></a>, <a class="txt" href="fsm_1.html#E5:114_4_1_1_1"><i><font color="Green" title="E95">A33</font></i></a>, <a class="txt" href="fsm_1.html#E7:114_4_1_1_1"><i><font color="Green" title="E96">A34</font></i></a>, <a class="txt" href="fsm_1.html#E1:114_4_1_1_1_1"><i><font color="Green" title="E99">A37</font></i></a>, <a class="ref" href="fsm_1.html#T78" target="_self" title="FSM_1:th.78">Th78</a></i>;<br/></div><b>end;</b></div><b>hence </b><a NAME="E12:114_4_1_1_1"/>
contradiction
 <b>by </b><i><a class="txt" href="fsm_1.html#E3:114_4_1_1_1"><i><font color="Green" title="E94">A32</font></i></a>, <a class="txt" href="fsm_1.html#E8:114_4_1_1_1"><i><font color="Green" title="E97">A35</font></i></a>, <a class="txt" href="fsm_1.html#E10:114_4_1_1_1"><i><font color="Green" title="E98">A36</font></i></a>, <a class="ref" href="xboole_0.html#D2" title="XBOOLE_0:def.2">XBOOLE_0:def 2</a></i>;<br/></div><b>end;</b></div><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="114_4_1_1_2"><b>suppose </b></a><a NAME="E1:114_4_1_1_2"/>
not the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c12">f</font>
 ;<br/><div class="add"><b>then consider </b><font color="Maroon" title="c13">y1</font> being    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> <b> such that </b><br/><a NAME="E3:114_4_1_1_2"/><i><font color="Green" title="E94">A38</font></i>: 
( <font color="Maroon" title="c13">y1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font> &amp; not <font color="Maroon" title="c13">y1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c12">f</font> )
 <b>by </b><i><a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a></i>;<br/><a NAME="E4:114_4_1_1_2"/>
<font color="Maroon" title="c13">y1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="xboole_0.html#K2" title="XBOOLE_0:func.2">\/</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font>
 <b>by </b><i><a class="txt" href="fsm_1.html#E3:114_4_1_1_2"><i><font color="Green" title="E94">A38</font></i></a>, <a class="ref" href="xboole_0.html#D2" title="XBOOLE_0:def.2">XBOOLE_0:def 2</a></i>;<br/><a NAME="E5:114_4_1_1_2"/><b>then </b><i><font color="Green" title="E95">A39</font></i>: 
<font color="Maroon" title="c13">y1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 <b>by </b><i><a class="ref" href="fsm_1.html#D24" target="_self" title="FSM_1:def.24">Def24</a></i>;<br/><a NAME="E6:114_4_1_1_2"/>
 <a href="tarski.html#K3" title="TARSKI:func.3">union</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 <b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="ref" href="eqrel_1.html#D6" title="EQREL_1:def.6">EQREL_1:def 6</a></i>;<br/><b>then consider </b><font color="Maroon" title="c14">Z</font> being    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> <b> such that </b><br/><a NAME="E8:114_4_1_1_2"/><i><font color="Green" title="E96">A40</font></i>: 
( <font color="Maroon" title="c13">y1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c14">Z</font> &amp; <font color="Maroon" title="c14">Z</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E5:114_4_1_1_2"><i><font color="Green" title="E95">A39</font></i></a>, <a class="ref" href="tarski.html#D4" title="TARSKI:def.4">TARSKI:def 4</a></i>;<br/><b>reconsider </b><font color="Maroon" title="c15">Z</font> = <font color="Maroon" title="c14">Z</font> as    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span> <b>by </b><i><a class="txt" href="fsm_1.html#E8:114_4_1_1_2"><i><font color="Green" title="E96">A40</font></i></a></i>;<br/><b>consider </b><font color="Maroon" title="c16">q1</font>, <font color="Maroon" title="c17">q2</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c15">Z</font><b> such that </b><br/><a NAME="E11:114_4_1_1_2"/><i><font color="Green" title="E97">A41</font></i>: 
( <font color="Maroon" title="c16">q1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> &amp; <font color="Maroon" title="c17">q2</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font> &amp; ( for <font color="Olive" title="b1">q</font> being   <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c15">Z</font>  holds <br/>( <font color="Olive" title="b1">q</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c16">q1</font> or <font color="Olive" title="b1">q</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c17">q2</font> ) ) )
 <b>by </b><i><a class="txt" href="fsm_1.html#E1:114"><i><font color="Green" title="E86">A1</font></i></a>, <a class="ref" href="fsm_1.html#T80" target="_self" title="FSM_1:th.80">Th80</a></i>;<br/><b>consider </b><font color="Maroon" title="c18">F</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span><b> such that </b><br/><a NAME="E13:114_4_1_1_2"/><i><font color="Green" title="E98">A42</font></i>: 
( <font color="Maroon" title="c16">q1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c18">F</font> &amp; <font color="Maroon" title="c12">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c16">q1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c18">F</font> <a href="subset_1.html#K6" title="SUBSET_1:func.6">\</a> <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><font color="Maroon" title="c16">q1</font></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E6:114"><i><font color="Green" title="E90">A23</font></i></a>, <a class="txt" href="fsm_1.html#E11:114_4_1_1_2"><i><font color="Green" title="E97">A41</font></i></a></i>;<br/><a NAME="E14:114_4_1_1_2"/><i><font color="Green" title="E99">A43</font></i>: 
<font color="Maroon" title="c15">Z</font> is   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 <b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a></i>;<br/><a NAME="E15:114_4_1_1_2"/>
<font color="Maroon" title="c18">F</font> is   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 <b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a></i>;<br/><a NAME="E16:114_4_1_1_2"/><b>then </b><i><font color="Green" title="E100">A44</font></i>: 
( <font color="Maroon" title="c15">Z</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c18">F</font> or <font color="Maroon" title="c15">Z</font> <a href="xboole_0.html#R1" title="XBOOLE_0:pred.1">misses</a> <font color="Maroon" title="c18">F</font> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="txt" href="fsm_1.html#E14:114_4_1_1_2"><i><font color="Green" title="E99">A43</font></i></a>, <a class="ref" href="eqrel_1.html#D6" title="EQREL_1:def.6">EQREL_1:def 6</a></i>;<br/><a NAME="E17:114_4_1_1_2"/><i><font color="Green" title="E101">A45</font></i>: 
<font color="Maroon" title="c12">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c16">q1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c18">F</font>
 <b>by </b><i><a class="txt" href="fsm_1.html#E13:114_4_1_1_2"><i><font color="Green" title="E98">A42</font></i></a></i>;<br/><div><a class="txt" onclick="hs2(this)" href="javascript:()" title="114_4_1_1_2_1"><b>now </b></a><div class="add"><b>assume </b><a NAME="E1:114_4_1_1_2_1"/><i><font color="Green" title="E102">A46</font></i>: 
<font color="Maroon" title="c13">y1</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c12">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c16">q1</font>
 ;<br/><a NAME="E2:114_4_1_1_2_1"/>
<font color="Maroon" title="c15">Z</font> is   <a href="subset_1.html#NM2" title="SUBSET_1:NM.2">Subset</a> of <span class="p1">(<span class="default">the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="xboole_0.html#K2" title="XBOOLE_0:func.2">\/</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 <b>by </b><i><a class="txt" href="fsm_1.html#E14:114_4_1_1_2"><i><font color="Green" title="E99">A43</font></i></a>, <a class="ref" href="fsm_1.html#D24" target="_self" title="FSM_1:def.24">Def24</a></i>;<br/><a NAME="E3:114_4_1_1_2_1"/><b>then </b><i><font color="Green" title="E103">A47</font></i>: 
( <font color="Maroon" title="c12">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c16">q1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> or <font color="Maroon" title="c12">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c16">q1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E8:114_4_1_1_2"><i><font color="Green" title="E96">A40</font></i></a>, <a class="txt" href="fsm_1.html#E13:114_4_1_1_2"><i><font color="Green" title="E98">A42</font></i></a>, <a class="txt" href="fsm_1.html#E16:114_4_1_1_2"><i><font color="Green" title="E100">A44</font></i></a>, <a class="txt" href="fsm_1.html#E17:114_4_1_1_2"><i><font color="Green" title="E101">A45</font></i></a>, <a class="ref" href="xboole_0.html#T3" title="XBOOLE_0:th.3">XBOOLE_0:3</a>, <a class="ref" href="xboole_0.html#D2" title="XBOOLE_0:def.2">XBOOLE_0:def 2</a></i>;<br/><div><a class="txt" onclick="hs2(this)" href="javascript:()" title="114_4_1_1_2_1_1"><b>now </b></a><div class="add"><b>assume </b><a NAME="E1:114_4_1_1_2_1_1"/><i><font color="Green" title="E104">A48</font></i>: 
<font color="Maroon" title="c12">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c16">q1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font>
 ;<br/><a NAME="E2:114_4_1_1_2_1_1"/>
<font color="Maroon" title="c12">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c16">q1</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Maroon" title="c16">q1</font>
 <b>by </b><i><a class="txt" href="fsm_1.html#E13:114_4_1_1_2"><i><font color="Green" title="E98">A42</font></i></a>, <a class="ref" href="zfmisc_1.html#T64" title="ZFMISC_1:th.64">ZFMISC_1:64</a></i>;<br/><b>hence </b><a NAME="E3:114_4_1_1_2_1_1"/>
contradiction
 <b>by </b><i><a class="txt" href="fsm_1.html#E1:114"><i><font color="Green" title="E86">A1</font></i></a>, <a class="txt" href="fsm_1.html#E11:114_4_1_1_2"><i><font color="Green" title="E97">A41</font></i></a>, <a class="txt" href="fsm_1.html#E13:114_4_1_1_2"><i><font color="Green" title="E98">A42</font></i></a>, <a class="txt" href="fsm_1.html#E1:114_4_1_1_2_1_1"><i><font color="Green" title="E104">A48</font></i></a>, <a class="ref" href="fsm_1.html#T78" target="_self" title="FSM_1:th.78">Th78</a></i>;<br/></div><b>end;</b></div><b>hence </b><a NAME="E5:114_4_1_1_2_1"/>
contradiction
 <b>by </b><i><a class="txt" href="fsm_1.html#E1:114"><i><font color="Green" title="E86">A1</font></i></a>, <a class="txt" href="fsm_1.html#E3:114_4_1_1_2"><i><font color="Green" title="E94">A38</font></i></a>, <a class="txt" href="fsm_1.html#E8:114_4_1_1_2"><i><font color="Green" title="E96">A40</font></i></a>, <a class="txt" href="fsm_1.html#E13:114_4_1_1_2"><i><font color="Green" title="E98">A42</font></i></a>, <a class="txt" href="fsm_1.html#E16:114_4_1_1_2"><i><font color="Green" title="E100">A44</font></i></a>, <a class="txt" href="fsm_1.html#E1:114_4_1_1_2_1"><i><font color="Green" title="E102">A46</font></i></a>, <a class="txt" href="fsm_1.html#E3:114_4_1_1_2_1"><i><font color="Green" title="E103">A47</font></i></a>, <a class="ref" href="fsm_1.html#T79" target="_self" title="FSM_1:th.79">Th79</a>, <a class="ref" href="xboole_0.html#T3" title="XBOOLE_0:th.3">XBOOLE_0:3</a></i>;<br/></div><b>end;</b></div><b>hence </b><a NAME="E19:114_4_1_1_2"/>
contradiction
 <b>by </b><i><a class="txt" href="fsm_1.html#E6:114"><i><font color="Green" title="E90">A23</font></i></a>, <a class="txt" href="fsm_1.html#E3:114_4_1_1_2"><i><font color="Green" title="E94">A38</font></i></a>, <a class="txt" href="fsm_1.html#E11:114_4_1_1_2"><i><font color="Green" title="E97">A41</font></i></a>, <a class="ref" href="funct_1.html#D5" title="FUNCT_1:def.5">FUNCT_1:def 5</a></i>;<br/></div><b>end;</b></div></div><b>end;</b></div></div><b>end;</b></div>
<b>hence </b><a NAME="E2:114_4"/>
 <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c12">f</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font>
 <b>by </b><i><a class="ref" href="xboole_0.html#D10" title="XBOOLE_0:def.10">XBOOLE_0:def 10</a></i>;<br/>


</div><b>end;</b></div>
<b>then reconsider </b><font color="Maroon" title="c13">f</font> = <font color="Maroon" title="c12">f</font> as   <a href="funct_2.html#NM1" title="FUNCT_2:NM.1">Function</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font>,the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font> <b>by </b><i><a class="txt" href="fsm_1.html#E6:114"><i><font color="Green" title="E90">A23</font></i></a>, <a class="ref" href="funct_2.html#T3" title="FUNCT_2:th.3">FUNCT_2:3</a></i>;<br/>
<a NAME="E10:114"/>
( <font color="Maroon" title="c13">f</font> is <a href="funct_1.html#V2" title="FUNCT_1:attr.2">one-to-one</a> &amp; <font color="Maroon" title="c13">f</font> is <a href="funct_2.html#V2" title="FUNCT_2:attr.2">onto</a> )
 
<b>by </b><i><a class="txt" href="fsm_1.html#E7:114"><i><font color="Green" title="E91">A24</font></i></a>, <a class="txt" href="fsm_1.html#E8:114"><i><font color="Green" title="E92">A30</font></i></a>, <a class="ref" href="funct_2.html#D3" title="FUNCT_2:def.3">FUNCT_2:def 3</a></i>;<br/>
<a NAME="E11:114"/><b>then </b><i><font color="Green" title="E93">A49</font></i>: 
<font color="Maroon" title="c13">f</font> is <a href="funct_2.html#V3" title="FUNCT_2:attr.3">bijective</a>
 
<b>by </b><i><a class="ref" href="funct_2.html#D4" title="FUNCT_2:def.4">FUNCT_2:def 4</a></i>;<br/>
<a NAME="E12:114"/><i><font color="Green" title="E94">A50</font></i>: 
<font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> the <a href="fsm_1.html#U2" title="FSM_1:sel.2">InitS</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> the <a href="fsm_1.html#U2" title="FSM_1:sel.2">InitS</a> of <font color="Maroon" title="c4">CRtfsm2</font>
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="114_5"><b>proof </b></a><div class="add">

<b>assume </b><a NAME="E1:114_5"/><i><font color="Green" title="E95">A51</font></i>: 
<font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> the <a href="fsm_1.html#U2" title="FSM_1:sel.2">InitS</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> the <a href="fsm_1.html#U2" title="FSM_1:sel.2">InitS</a> of <font color="Maroon" title="c4">CRtfsm2</font>
 ;<br/>

<b>consider </b><font color="Maroon" title="c14">Q</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span><b> such that </b><br/><a NAME="E3:114_5"/><i><font color="Green" title="E96">A52</font></i>: 
( the <a href="fsm_1.html#U2" title="FSM_1:sel.2">InitS</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c14">Q</font> &amp; the <a href="fsm_1.html#U2" title="FSM_1:sel.2">InitS</a> of <font color="Maroon" title="c4">CRtfsm2</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c14">Q</font> &amp; <font color="Maroon" title="c14">Q</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> the <a href="fsm_1.html#U2" title="FSM_1:sel.2">InitS</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E1:114"><i><font color="Green" title="E86">A1</font></i></a>, <a class="ref" href="fsm_1.html#T75" target="_self" title="FSM_1:th.75">Th75</a></i>;<br/>
<b>consider </b><font color="Maroon" title="c15">part</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span><b> such that </b><br/><a NAME="E5:114_5"/><i><font color="Green" title="E97">A53</font></i>: 
( the <a href="fsm_1.html#U2" title="FSM_1:sel.2">InitS</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c15">part</font> &amp; <font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> the <a href="fsm_1.html#U2" title="FSM_1:sel.2">InitS</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c15">part</font> <a href="subset_1.html#K6" title="SUBSET_1:func.6">\</a> <span class="p1"><a href="domain_1.html#K6" title="DOMAIN_1:func.6">{</a><span class="default">the <a href="fsm_1.html#U2" title="FSM_1:sel.2">InitS</a> of <font color="Maroon" title="c3">CRtfsm1</font></span><a href="domain_1.html#K6" title="DOMAIN_1:func.6">}</a></span> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E6:114"><i><font color="Green" title="E90">A23</font></i></a></i>;<br/>
<a NAME="E6:114_5"/><i><font color="Green" title="E98">A54</font></i>: 
<font color="Maroon" title="c14">Q</font> is   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 
<b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a></i>;<br/>
<a NAME="E7:114_5"/>
<font color="Maroon" title="c15">part</font> is   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 
<b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a></i>;<br/>
<a NAME="E8:114_5"/><b>then </b>
( <font color="Maroon" title="c14">Q</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c15">part</font> or <font color="Maroon" title="c14">Q</font> <a href="xboole_0.html#R1" title="XBOOLE_0:pred.1">misses</a> <font color="Maroon" title="c15">part</font> )
 
<b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="txt" href="fsm_1.html#E6:114_5"><i><font color="Green" title="E98">A54</font></i></a>, <a class="ref" href="eqrel_1.html#D6" title="EQREL_1:def.6">EQREL_1:def 6</a></i>;<br/>
<b>hence </b><a NAME="E9:114_5"/>
contradiction
 <b>by </b><i><a class="txt" href="fsm_1.html#E1:114"><i><font color="Green" title="E86">A1</font></i></a>, <a class="txt" href="fsm_1.html#E1:114_5"><i><font color="Green" title="E95">A51</font></i></a>, <a class="txt" href="fsm_1.html#E3:114_5"><i><font color="Green" title="E96">A52</font></i></a>, <a class="txt" href="fsm_1.html#E5:114_5"><i><font color="Green" title="E97">A53</font></i></a>, <a class="ref" href="fsm_1.html#T79" target="_self" title="FSM_1:th.79">Th79</a>, <a class="ref" href="xboole_0.html#T3" title="XBOOLE_0:th.3">XBOOLE_0:3</a></i>;<br/>


</div><b>end;</b></div>
<a NAME="E13:114"/>
for <font color="Olive" title="b1">q</font> being  <a href="fsm_1.html#NM1" title="FSM_1:NM.1">State</a> of <font color="Maroon" title="c3">CRtfsm1</font><br/> for <font color="Olive" title="b2">s</font> being   <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c1">IAlph</font> holds <br/> ( <font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1">(<span class="default">the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="binop_1.html#K2" title="BINOP_1:func.2">.</a> <font color="Olive" title="b1">q</font>,<font color="Olive" title="b2">s</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c4">CRtfsm2</font> <a href="binop_1.html#K2" title="BINOP_1:func.2">.</a> <span class="p1">(<span class="default"><font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Olive" title="b1">q</font></span>)</span>,<font color="Olive" title="b2">s</font> &amp; the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="binop_1.html#K2" title="BINOP_1:func.2">.</a> <font color="Olive" title="b1">q</font>,<font color="Olive" title="b2">s</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <font color="Maroon" title="c4">CRtfsm2</font> <a href="binop_1.html#K2" title="BINOP_1:func.2">.</a> <span class="p1">(<span class="default"><font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Olive" title="b1">q</font></span>)</span>,<font color="Olive" title="b2">s</font> )
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="114_6"><b>proof </b></a><div class="add">

<b>let </b><font color="Maroon" title="c14">q</font> be   <a href="fsm_1.html#NM1" title="FSM_1:NM.1">State</a> of <font color="Maroon" title="c3">CRtfsm1</font>;<br/><b>let </b><font color="Maroon" title="c15">s</font> be    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c1">IAlph</font>;<br/>



<a NAME="E1:114_6"/><i><font color="Green" title="E95">A55</font></i>: 
the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="xboole_0.html#K2" title="XBOOLE_0:func.2">\/</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font>
 
<b>by </b><i><a class="ref" href="fsm_1.html#D24" target="_self" title="FSM_1:def.24">Def24</a></i>;<br/>
<b>then reconsider </b><font color="Maroon" title="c16">q'</font> = <font color="Maroon" title="c14">q</font> as   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <b>by </b><i><a class="ref" href="xboole_0.html#D2" title="XBOOLE_0:def.2">XBOOLE_0:def 2</a></i>;<br/>
<a NAME="E3:114_6"/>
<font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Maroon" title="c14">q</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c13">f</font>
 
<b>by </b><i><a class="txt" href="fsm_1.html#E6:114"><i><font color="Green" title="E90">A23</font></i></a>, <a class="ref" href="funct_1.html#D5" title="FUNCT_1:def.5">FUNCT_1:def 5</a></i>;<br/>
<b>then reconsider </b><font color="Maroon" title="c17">fq'</font> = <font color="Maroon" title="c13">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c16">q'</font> as   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <b>by </b><i><a class="txt" href="fsm_1.html#E1:114_6"><i><font color="Green" title="E95">A55</font></i></a>, <a class="ref" href="xboole_0.html#D2" title="XBOOLE_0:def.2">XBOOLE_0:def 2</a></i>;<br/>
<a NAME="E5:114_6"/><i><font color="Green" title="E96">A56</font></i>: 
 <a href="fsm_1.html#K8" title="FSM_1:func.8">final_states_partition</a> <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> is <a href="fsm_1.html#V4" title="FSM_1:attr.4">final</a>
 
<b>by </b><i><a class="ref" href="fsm_1.html#D15" target="_self" title="FSM_1:def.15">Def15</a></i>;<br/>
<b>consider </b><font color="Maroon" title="c18">part</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span><b> such that </b><br/><a NAME="E7:114_6"/><i><font color="Green" title="E97">A57</font></i>: 
( <font color="Maroon" title="c14">q</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c18">part</font> &amp; <font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Maroon" title="c14">q</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c18">part</font> <a href="subset_1.html#K6" title="SUBSET_1:func.6">\</a> <span class="p1"><a href="domain_1.html#K6" title="DOMAIN_1:func.6">{</a><span class="default"><font color="Maroon" title="c14">q</font></span><a href="domain_1.html#K6" title="DOMAIN_1:func.6">}</a></span> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E6:114"><i><font color="Green" title="E90">A23</font></i></a></i>;<br/>
<a NAME="E8:114_6"/><i><font color="Green" title="E98">A58</font></i>: 
<font color="Maroon" title="c16">q'</font>,<font color="Maroon" title="c17">fq'</font> <a href="fsm_1.html#R5" title="FSM_1:pred.5">-are_equivalent</a> 
 
<b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="txt" href="fsm_1.html#E5:114_6"><i><font color="Green" title="E96">A56</font></i></a>, <a class="txt" href="fsm_1.html#E7:114_6"><i><font color="Green" title="E97">A57</font></i></a>, <a class="ref" href="fsm_1.html#D14" target="_self" title="FSM_1:def.14">Def14</a></i>;<br/>
<b>set </b><font color="Maroon" title="c19">qu</font> = the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c16">q'</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span>;<br/>
<b>set </b><font color="Maroon" title="c20">qfu</font> = the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c17">fq'</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span>;<br/>
<b>set </b><font color="Maroon" title="c21">q1</font> = the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c14">q</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span>;<br/>
<b>set </b><font color="Maroon" title="c22">fq</font> = <font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Maroon" title="c14">q</font>;<br/>
<b>set </b><font color="Maroon" title="c23">q2</font> = the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c4">CRtfsm2</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Maroon" title="c14">q</font></span>)</span>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span>;<br/>
<a NAME="E9:114_6"/>
the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c16">q'</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span>,the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c17">fq'</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span> <a href="fsm_1.html#R5" title="FSM_1:pred.5">-are_equivalent</a> 
 
<b>by </b><i><a class="txt" href="fsm_1.html#E8:114_6"><i><font color="Green" title="E98">A58</font></i></a>, <a class="ref" href="fsm_1.html#T36" target="_self" title="FSM_1:th.36">Th36</a></i>;<br/>
<b>then consider </b><font color="Maroon" title="c24">X</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span><b> such that </b><br/><a NAME="E11:114_6"/><i><font color="Green" title="E99">A59</font></i>: 
( the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c16">q'</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c24">X</font> &amp; the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c17">fq'</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c24">X</font> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="txt" href="fsm_1.html#E5:114_6"><i><font color="Green" title="E96">A56</font></i></a>, <a class="ref" href="fsm_1.html#D14" target="_self" title="FSM_1:def.14">Def14</a></i>;<br/>
<a NAME="E12:114_6"/><i><font color="Green" title="E100">A60</font></i>: 
 <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default">the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font>,<font color="Maroon" title="c1">IAlph</font></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span>
 
<b>by </b><i><a class="ref" href="funct_2.html#D1" title="FUNCT_2:def.1">FUNCT_2:def 1</a></i>;<br/>
<a NAME="E13:114_6"/><i><font color="Green" title="E101">A61</font></i>: 
the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="xboole_0.html#K3" title="XBOOLE_0:func.3">/\</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a> 
 
<b>by </b><i><a class="txt" href="fsm_1.html#E1:114"><i><font color="Green" title="E86">A1</font></i></a>, <a class="ref" href="xboole_0.html#D7" title="XBOOLE_0:def.7">XBOOLE_0:def 7</a></i>;<br/>
<span class="p1">(<span class="default"><a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c3">CRtfsm1</font></span>)</span> <a href="xboole_0.html#K3" title="XBOOLE_0:func.3">/\</a> <span class="p1">(<span class="default"><a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> = 
<span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default">the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font>,<font color="Maroon" title="c1">IAlph</font></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span> <a href="xboole_0.html#K3" title="XBOOLE_0:func.3">/\</a> <span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default">the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font>,<font color="Maroon" title="c1">IAlph</font></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span>
<b>by </b><i><a class="txt" href="fsm_1.html#E12:114_6"><i><font color="Green" title="E100">A60</font></i></a>, <a class="ref" href="funct_2.html#D1" title="FUNCT_2:def.1">FUNCT_2:def 1</a></i>
<br/>.= 
<span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default"><a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a> ,<font color="Maroon" title="c1">IAlph</font></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span>
<b>by </b><i><a class="txt" href="fsm_1.html#E13:114_6"><i><font color="Green" title="E101">A61</font></i></a>, <a class="ref" href="zfmisc_1.html#T122" title="ZFMISC_1:th.122">ZFMISC_1:122</a></i>
<br/>.= 
 <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a> 
<b>by </b><i><a class="ref" href="zfmisc_1.html#T113" title="ZFMISC_1:th.113">ZFMISC_1:113</a></i>
;<br/>
<a NAME="E15:114_6"/><b>then </b><i><font color="Green" title="E102">A62</font></i>: 
 <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="subset_1.html#R1" title="SUBSET_1:pred.1">misses</a>  <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c4">CRtfsm2</font>
 
<b>by </b><i><a class="ref" href="xboole_0.html#D7" title="XBOOLE_0:def.7">XBOOLE_0:def 7</a></i>;<br/>
<i><font color="Green" title="E103">A63</font></i>: the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c16">q'</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span> = 
<span class="p1">(<span class="default">the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="funct_4.html#K1" title="FUNCT_4:func.1">+*</a> the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c16">q'</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span>
<b>by </b><i><a class="ref" href="fsm_1.html#D24" target="_self" title="FSM_1:def.24">Def24</a></i>
<br/>.= 
the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c14">q</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span>
<b>by </b><i><a class="txt" href="fsm_1.html#E12:114_6"><i><font color="Green" title="E100">A60</font></i></a>, <a class="txt" href="fsm_1.html#E15:114_6"><i><font color="Green" title="E102">A62</font></i></a>, <a class="ref" href="funct_4.html#T17" title="FUNCT_4:th.17">FUNCT_4:17</a></i>
;<br/>
<a NAME="E17:114_6"/><i><font color="Green" title="E104">A64</font></i>: 
 <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c4">CRtfsm2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default">the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font>,<font color="Maroon" title="c1">IAlph</font></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span>
 
<b>by </b><i><a class="ref" href="funct_2.html#D1" title="FUNCT_2:def.1">FUNCT_2:def 1</a></i>;<br/>
<i><font color="Green" title="E105">A65</font></i>: the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c17">fq'</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span> = 
<span class="p1">(<span class="default">the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="funct_4.html#K1" title="FUNCT_4:func.1">+*</a> the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c17">fq'</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span>
<b>by </b><i><a class="ref" href="fsm_1.html#D24" target="_self" title="FSM_1:def.24">Def24</a></i>
<br/>.= 
the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c4">CRtfsm2</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Maroon" title="c14">q</font></span>)</span>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span>
<b>by </b><i><a class="txt" href="fsm_1.html#E17:114_6"><i><font color="Green" title="E104">A64</font></i></a>, <a class="ref" href="funct_4.html#T14" title="FUNCT_4:th.14">FUNCT_4:14</a></i>
;<br/>
<b>consider </b><font color="Maroon" title="c25">XX</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <span class="p1">(<span class="default"><a href="fsm_1.html#K11" title="FSM_1:func.11">the_reduction_of</a> <span class="p2">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span></span>)</span><b> such that </b><br/><a NAME="E20:114_6"/><i><font color="Green" title="E106">A66</font></i>: 
( the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c14">q</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c25">XX</font> &amp; <font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1">(<span class="default">the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p2"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c14">q</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span></span>)</span> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c25">XX</font> <a href="subset_1.html#K6" title="SUBSET_1:func.6">\</a> <span class="p1"><a href="domain_1.html#K6" title="DOMAIN_1:func.6">{</a><span class="default"><span class="p2">(<span class="default">the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p3"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c14">q</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span></span>)</span></span><a href="domain_1.html#K6" title="DOMAIN_1:func.6">}</a></span> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E6:114"><i><font color="Green" title="E90">A23</font></i></a></i>;<br/>
<a NAME="E21:114_6"/><i><font color="Green" title="E107">A67</font></i>: 
<font color="Maroon" title="c24">X</font> is   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 
<b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a></i>;<br/>
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="114_6_4"><b>now </b></a><div class="add"><b>assume </b><a NAME="E1:114_6_4"/><i><font color="Green" title="E108">A68</font></i>: 
<font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1">(<span class="default">the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p2"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c14">q</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span></span>)</span> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c4">CRtfsm2</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Maroon" title="c14">q</font></span>)</span>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span>
 ;<br/><a NAME="E2:114_6_4"/>
<font color="Maroon" title="c25">XX</font> is   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>
 <b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a></i>;<br/><a NAME="E3:114_6_4"/><b>then </b>
( <font color="Maroon" title="c24">X</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c25">XX</font> or <font color="Maroon" title="c24">X</font> <a href="xboole_0.html#R1" title="XBOOLE_0:pred.1">misses</a> <font color="Maroon" title="c25">XX</font> )
 <b>by </b><i><a class="txt" href="fsm_1.html#E2:114"><i><font color="Green" title="E87">A2</font></i></a>, <a class="txt" href="fsm_1.html#E21:114_6"><i><font color="Green" title="E107">A67</font></i></a>, <a class="ref" href="eqrel_1.html#D6" title="EQREL_1:def.6">EQREL_1:def 6</a></i>;<br/><b>hence </b><a NAME="E4:114_6_4"/>
contradiction
 <b>by </b><i><a class="txt" href="fsm_1.html#E1:114"><i><font color="Green" title="E86">A1</font></i></a>, <a class="txt" href="fsm_1.html#E11:114_6"><i><font color="Green" title="E99">A59</font></i></a>, <a class="txt" href="fsm_1.html#E16:114_6"><i><font color="Green" title="E103">A63</font></i></a>, <a class="txt" href="fsm_1.html#E18:114_6"><i><font color="Green" title="E105">A65</font></i></a>, <a class="txt" href="fsm_1.html#E20:114_6"><i><font color="Green" title="E106">A66</font></i></a>, <a class="txt" href="fsm_1.html#E1:114_6_4"><i><font color="Green" title="E108">A68</font></i></a>, <a class="ref" href="fsm_1.html#T79" target="_self" title="FSM_1:th.79">Th79</a>, <a class="ref" href="xboole_0.html#T3" title="XBOOLE_0:th.3">XBOOLE_0:3</a></i>;<br/></div><b>end;</b></div>
<b>hence </b><a NAME="E23:114_6"/>
<font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1">(<span class="default">the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="binop_1.html#K2" title="BINOP_1:func.2">.</a> <font color="Maroon" title="c14">q</font>,<font color="Maroon" title="c15">s</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> the <a href="fsm_1.html#U1" title="FSM_1:sel.1">Tran</a> of <font color="Maroon" title="c4">CRtfsm2</font> <a href="binop_1.html#K2" title="BINOP_1:func.2">.</a> <span class="p1">(<span class="default"><font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Maroon" title="c14">q</font></span>)</span>,<font color="Maroon" title="c15">s</font>
 ;<br/>

<a NAME="E24:114_6"/><i><font color="Green" title="E108">A69</font></i>: 
 <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default">the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font>,<font color="Maroon" title="c1">IAlph</font></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span>
 
<b>by </b><i><a class="ref" href="funct_2.html#D1" title="FUNCT_2:def.1">FUNCT_2:def 1</a></i>;<br/>
<a NAME="E25:114_6"/><i><font color="Green" title="E109">A70</font></i>: 
 <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <font color="Maroon" title="c4">CRtfsm2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default">the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font>,<font color="Maroon" title="c1">IAlph</font></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span>
 
<b>by </b><i><a class="ref" href="funct_2.html#D1" title="FUNCT_2:def.1">FUNCT_2:def 1</a></i>;<br/>
<b>then </b><span class="p1">(<span class="default"><a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <font color="Maroon" title="c3">CRtfsm1</font></span>)</span> <a href="xboole_0.html#K3" title="XBOOLE_0:func.3">/\</a> <span class="p1">(<span class="default"><a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> = 
<span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default"><span class="p2">(<span class="default">the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="xboole_0.html#K3" title="XBOOLE_0:func.3">/\</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c4">CRtfsm2</font></span>)</span>,<font color="Maroon" title="c1">IAlph</font></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span>
<b>by </b><i><a class="txt" href="fsm_1.html#E24:114_6"><i><font color="Green" title="E108">A69</font></i></a>, <a class="ref" href="zfmisc_1.html#T122" title="ZFMISC_1:th.122">ZFMISC_1:122</a></i>
<br/>.= 
 <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a> 
<b>by </b><i><a class="txt" href="fsm_1.html#E13:114_6"><i><font color="Green" title="E101">A61</font></i></a>, <a class="ref" href="zfmisc_1.html#T113" title="ZFMISC_1:th.113">ZFMISC_1:113</a></i>
;<br/>
<a NAME="E27:114_6"/><b>then </b>
 <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="subset_1.html#R1" title="SUBSET_1:pred.1">misses</a>  <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <font color="Maroon" title="c4">CRtfsm2</font>
 
<b>by </b><i><a class="ref" href="xboole_0.html#D7" title="XBOOLE_0:def.7">XBOOLE_0:def 7</a></i>;<br/>
<b>hence </b>the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="binop_1.html#K2" title="BINOP_1:func.2">.</a> <font color="Maroon" title="c14">q</font>,<font color="Maroon" title="c15">s</font> = 
<span class="p1">(<span class="default">the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="funct_4.html#K1" title="FUNCT_4:func.1">+*</a> the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c14">q</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span>
<b>by </b><i><a class="txt" href="fsm_1.html#E24:114_6"><i><font color="Green" title="E108">A69</font></i></a>, <a class="ref" href="funct_4.html#T17" title="FUNCT_4:th.17">FUNCT_4:17</a></i>
<br/>.= 
the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c16">q'</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span>
<b>by </b><i><a class="ref" href="fsm_1.html#D24" target="_self" title="FSM_1:def.24">Def24</a></i>
<br/>.= 
the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <span class="p1">(<span class="default"><font color="Maroon" title="c3">CRtfsm1</font> <a href="fsm_1.html#K13" title="FSM_1:func.13">-Mealy_union</a> <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><font color="Maroon" title="c17">fq'</font>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span>
<b>by </b><i><a class="txt" href="fsm_1.html#E8:114_6"><i><font color="Green" title="E98">A58</font></i></a>, <a class="ref" href="fsm_1.html#T36" target="_self" title="FSM_1:th.36">Th36</a></i>
<br/>.= 
<span class="p1">(<span class="default">the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <font color="Maroon" title="c3">CRtfsm1</font> <a href="funct_4.html#K1" title="FUNCT_4:func.1">+*</a> the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <font color="Maroon" title="c4">CRtfsm2</font></span>)</span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <span class="p1"><a href="domain_1.html#K1" title="DOMAIN_1:func.1">[</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Maroon" title="c14">q</font></span>)</span>,<font color="Maroon" title="c15">s</font></span><a href="domain_1.html#K1" title="DOMAIN_1:func.1">]</a></span>
<b>by </b><i><a class="ref" href="fsm_1.html#D24" target="_self" title="FSM_1:def.24">Def24</a></i>
<br/>.= 
the <a href="fsm_1.html#U3" title="FSM_1:sel.3">OFun</a> of <font color="Maroon" title="c4">CRtfsm2</font> <a href="binop_1.html#K2" title="BINOP_1:func.2">.</a> <span class="p1">(<span class="default"><font color="Maroon" title="c13">f</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Maroon" title="c14">q</font></span>)</span>,<font color="Maroon" title="c15">s</font>
<b>by </b><i><a class="txt" href="fsm_1.html#E25:114_6"><i><font color="Green" title="E109">A70</font></i></a>, <a class="ref" href="funct_4.html#T14" title="FUNCT_4:th.14">FUNCT_4:14</a></i>
;<br/><br/>


</div><b>end;</b></div>
<b>hence </b><a NAME="E14:114"/>
<font color="Maroon" title="c3">CRtfsm1</font>,<font color="Maroon" title="c4">CRtfsm2</font> <a href="fsm_1.html#R7" title="FSM_1:pred.7">-are_isomorphic</a> 
 <b>by </b><i><a class="txt" href="fsm_1.html#E11:114"><i><font color="Green" title="E93">A49</font></i></a>, <a class="txt" href="fsm_1.html#E12:114"><i><font color="Green" title="E94">A50</font></i></a>, <a class="ref" href="fsm_1.html#D19" target="_self" title="FSM_1:def.19">Def19</a></i>;<br/>


</div>
