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

<b>let </b><font color="Maroon" title="c1">OAlph</font>, <font color="Maroon" title="c2">IAlph</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> ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> for <font color="Olive" title="b1">tfsm</font> being 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#L2" title="FSM_1:struct.2">Mealy-FSM</a> of <font color="Maroon" title="c2">IAlph</font>,<font color="Maroon" title="c1">OAlph</font> holds <br/> (  <a href="fsm_1.html#K12" title="FSM_1:func.12">accessibleStates</a> <font color="Olive" title="b1">tfsm</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="Olive" title="b1">tfsm</font> &amp; ( for <font color="Olive" title="b2">q</font> being  <a href="fsm_1.html#NM1" title="FSM_1:NM.1">State</a> of <font color="Olive" title="b1">tfsm</font> holds <br/> ( <font color="Olive" title="b2">q</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="fsm_1.html#K12" title="FSM_1:func.12">accessibleStates</a> <font color="Olive" title="b1">tfsm</font> iff <font color="Olive" title="b2">q</font> is <a href="fsm_1.html#V6" title="FSM_1:attr.6">accessible</a> ) ) )</span><br/><b>let </b><font color="Maroon" title="c3">tfsm</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#L2" title="FSM_1:struct.2">Mealy-FSM</a> of <font color="Maroon" title="c2">IAlph</font>,<font color="Maroon" title="c1">OAlph</font>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> (  <a href="fsm_1.html#K12" title="FSM_1:func.12">accessibleStates</a> <font color="Maroon" title="c3">tfsm</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="c3">tfsm</font> &amp; ( 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">tfsm</font> holds <br/> ( <font color="Olive" title="b1">q</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="fsm_1.html#K12" title="FSM_1:func.12">accessibleStates</a> <font color="Maroon" title="c3">tfsm</font> iff <font color="Olive" title="b1">q</font> is <a href="fsm_1.html#V6" title="FSM_1:attr.6">accessible</a> ) ) )</span><br/>





<b>set </b><font color="Maroon" title="c4">AS</font> = <span class="p1">{<span class="default"> <font color="Olive" title="b1">q</font> where <font color="Olive" title="b1">q</font> is   <a href="fsm_1.html#NM1" title="FSM_1:NM.1">State</a> of <font color="Maroon" title="c3">tfsm</font> : <font color="Olive" title="b1">q</font> is <a href="fsm_1.html#V6" title="FSM_1:attr.6">accessible</a> </span>}</span> ;<br/>
<a NAME="E1:95"/>
<span class="p1">{<span class="default"> <font color="Olive" title="b1">q</font> where <font color="Olive" title="b1">q</font> is   <a href="fsm_1.html#NM1" title="FSM_1:NM.1">State</a> of <font color="Maroon" title="c3">tfsm</font> : <font color="Olive" title="b1">q</font> is <a href="fsm_1.html#V6" title="FSM_1:attr.6">accessible</a> </span>}</span>  <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="c3">tfsm</font>
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="95_1"><b>proof </b></a><div class="add">

<b>let </b><font color="Maroon" title="c5">x</font> be    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ; <i><font color="Red">:: according to </font></i><a class="ref" href="tarski.html#D3" title="TARSKI:def.3">TARSKI:def 3</a> <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> (  not <font color="Maroon" title="c5">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <span class="p1">{<span class="default"> <font color="Olive" title="b1">q</font> where <font color="Olive" title="b1">q</font> is   <a href="fsm_1.html#NM1" title="FSM_1:NM.1">State</a> of <font color="Maroon" title="c3">tfsm</font> : <font color="Olive" title="b1">q</font> is <a href="fsm_1.html#V6" title="FSM_1:attr.6">accessible</a> </span>}</span>  or <font color="Maroon" title="c5">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">tfsm</font> )</span><br/>

<b>assume </b><a NAME="E1:95_1"/>
<font color="Maroon" title="c5">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <span class="p1">{<span class="default"> <font color="Olive" title="b1">q</font> where <font color="Olive" title="b1">q</font> is   <a href="fsm_1.html#NM1" title="FSM_1:NM.1">State</a> of <font color="Maroon" title="c3">tfsm</font> : <font color="Olive" title="b1">q</font> is <a href="fsm_1.html#V6" title="FSM_1:attr.6">accessible</a> </span>}</span> 
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> <font color="Maroon" title="c5">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">tfsm</font></span><br/>

<b>then consider </b><font color="Maroon" title="c6">q</font> being   <a href="fsm_1.html#NM1" title="FSM_1:NM.1">State</a> of <font color="Maroon" title="c3">tfsm</font><b> such that </b><br/><a NAME="E3:95_1"/><i><font color="Green" title="E70">A1</font></i>: 
( <font color="Maroon" title="c5">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c6">q</font> &amp; <font color="Maroon" title="c6">q</font> is <a href="fsm_1.html#V6" title="FSM_1:attr.6">accessible</a> )
 ;<br/>
<b>thus </b><a NAME="E4:95_1"/>
<font color="Maroon" title="c5">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">tfsm</font>
 <b>by </b><i><a class="txt" href="fsm_1.html#E3:95_1"><i><font color="Green" title="E70">A1</font></i></a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


</div><b>end;</b></div>
<b>hence </b><a NAME="E2:95"/>
 <a href="fsm_1.html#K12" title="FSM_1:func.12">accessibleStates</a> <font color="Maroon" title="c3">tfsm</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="c3">tfsm</font>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> 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">tfsm</font> holds <br/> ( <font color="Olive" title="b1">q</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="fsm_1.html#K12" title="FSM_1:func.12">accessibleStates</a> <font color="Maroon" title="c3">tfsm</font> iff <font color="Olive" title="b1">q</font> is <a href="fsm_1.html#V6" title="FSM_1:attr.6">accessible</a> )</span><br/>

<b>let </b><font color="Maroon" title="c5">q</font> be   <a href="fsm_1.html#NM1" title="FSM_1:NM.1">State</a> of <font color="Maroon" title="c3">tfsm</font>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> ( <font color="Maroon" title="c5">q</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="fsm_1.html#K12" title="FSM_1:func.12">accessibleStates</a> <font color="Maroon" title="c3">tfsm</font> iff <font color="Maroon" title="c5">q</font> is <a href="fsm_1.html#V6" title="FSM_1:attr.6">accessible</a> )</span><br/>

<div><b>hereby </b> <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> ( <font color="Maroon" title="c5">q</font> is <a href="fsm_1.html#V6" title="FSM_1:attr.6">accessible</a> implies <font color="Maroon" title="c5">q</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="fsm_1.html#K12" title="FSM_1:func.12">accessibleStates</a> <font color="Maroon" title="c3">tfsm</font> )</span>
<div class="add"><b>assume </b><a NAME="E1:95_2"/>
<font color="Maroon" title="c5">q</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="fsm_1.html#K12" title="FSM_1:func.12">accessibleStates</a> <font color="Maroon" title="c3">tfsm</font>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> <font color="Maroon" title="c5">q</font> is <a href="fsm_1.html#V6" title="FSM_1:attr.6">accessible</a></span><br/><b>then consider </b><font color="Maroon" title="c6">q'</font> being   <a href="fsm_1.html#NM1" title="FSM_1:NM.1">State</a> of <font color="Maroon" title="c3">tfsm</font><b> such that </b><br/><a NAME="E3:95_2"/><i><font color="Green" title="E70">A2</font></i>: 
( <font color="Maroon" title="c6">q'</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c5">q</font> &amp; <font color="Maroon" title="c6">q'</font> is <a href="fsm_1.html#V6" title="FSM_1:attr.6">accessible</a> )
 ;<br/><b>thus </b><a NAME="E4:95_2"/>
<font color="Maroon" title="c5">q</font> is <a href="fsm_1.html#V6" title="FSM_1:attr.6">accessible</a>
 <b>by </b><i><a class="txt" href="fsm_1.html#E3:95_2"><i><font color="Green" title="E70">A2</font></i></a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/></div>
<b>end;</b></div>

<b>thus </b><a NAME="E4:95"/>
( <font color="Maroon" title="c5">q</font> is <a href="fsm_1.html#V6" title="FSM_1:attr.6">accessible</a> implies <font color="Maroon" title="c5">q</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="fsm_1.html#K12" title="FSM_1:func.12">accessibleStates</a> <font color="Maroon" title="c3">tfsm</font> )
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


</div>
