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<b>let </b><font color="Maroon">I</font> be  non <a href="xboole_0.html#V1">empty</a>  <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">S</font> be  non <a href="struct_0.html#V3">empty</a>  <a href="fsm_1.html#L1">FSM</a> of <font color="Maroon">I</font>;<br/>



<b>assume </b><a NAME="E1:8"/><i><font color="Green">E38</font></i>: 
for <font color="Olive">w1</font>, <font color="Olive">w2</font> being   <a href="finseq_1.html#M2">FinSequence</a> of <font color="Maroon">I</font>  st <font color="Olive">w1</font> <a href="funct_1.html#K1">.</a> 1 <a href="hidden.html#R1">=</a> <font color="Olive">w2</font> <a href="funct_1.html#K1">.</a> 1 holds <br/> <a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Olive">w1</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font>, <a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Olive">w2</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font> <a href="xboole_0.html#R3">are_c=-comparable</a> 
 ;<br/>

<b>let </b><font color="Maroon">j</font> be  non <a href="xboole_0.html#V1">empty</a>  <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K5">NAT</a> ; <i><font color="Red">:: according to </font></i><a class="ref" href="fsm_2.html#D1" target="_self">FSM_2:def 1</a><br/><b>let </b><font color="Maroon">w1</font> be    <a href="finseq_1.html#M2">FinSequence</a> of <font color="Maroon">I</font>;<br/><b>let </b><font color="Maroon">w2</font> be    <a href="finseq_1.html#M2">FinSequence</a> of <font color="Maroon">I</font>;<br/>





<b>assume </b><b>that </b><br/><a NAME="E2:8"/><i><font color="Green">E39</font></i>: 
<font color="Maroon">w1</font> <a href="funct_1.html#K1">.</a> 1 <a href="hidden.html#R1">=</a> <font color="Maroon">w2</font> <a href="funct_1.html#K1">.</a> 1
 <b>and </b><br/><a NAME="E3:8"/><i><font color="Green">E40</font></i>: 
( <font color="Maroon">j</font> <a href="xxreal_0.html#R1">&lt;=</a> <span class="p1">(<span class="default"><a href="finseq_1.html#K3">len</a> <font color="Maroon">w1</font></span>)</span> <a href="nat_1.html#K1">+</a> 1 &amp; <font color="Maroon">j</font> <a href="xxreal_0.html#R1">&lt;=</a> <span class="p1">(<span class="default"><a href="finseq_1.html#K3">len</a> <font color="Maroon">w2</font></span>)</span> <a href="nat_1.html#K1">+</a> 1 )
 ;<br/>

<i><font color="Green">E44</font></i>:  <a href="finseq_1.html#K4">dom</a> <span class="p1">(<span class="default"><a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w1</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font></span>)</span> = 
 <a href="finseq_1.html#K2">Seg</a> <span class="p1">(<span class="default"><a href="finseq_1.html#K3">len</a> <span class="p2">(<span class="default"><a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w1</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="finseq_1.html#D3">FINSEQ_1:def 3</a></i>
<br/>.= 
 <a href="finseq_1.html#K2">Seg</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="finseq_1.html#K3">len</a> <font color="Maroon">w1</font></span>)</span> <a href="nat_1.html#K1">+</a> 1</span>)</span>
<b>by </b><i><a class="ref" href="fsm_1.html#D2">FSM_1:def 2</a></i>
;<br/>
<i><font color="Green">E46</font></i>:  <a href="finseq_1.html#K4">dom</a> <span class="p1">(<span class="default"><a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w2</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font></span>)</span> = 
 <a href="finseq_1.html#K2">Seg</a> <span class="p1">(<span class="default"><a href="finseq_1.html#K3">len</a> <span class="p2">(<span class="default"><a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w2</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="finseq_1.html#D3">FINSEQ_1:def 3</a></i>
<br/>.= 
 <a href="finseq_1.html#K2">Seg</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="finseq_1.html#K3">len</a> <font color="Maroon">w2</font></span>)</span> <a href="nat_1.html#K1">+</a> 1</span>)</span>
<b>by </b><i><a class="ref" href="fsm_1.html#D2">FSM_1:def 2</a></i>
;<br/>
<a NAME="E6:8"/>
1 <a href="xxreal_0.html#R1">&lt;=</a> <font color="Maroon">j</font>
 
<b>by </b><i><a class="ref" href="nat_1.html#T39">NAT_1:39</a></i>;<br/>
<a NAME="E7:8"/><b>then </b>
( <font color="Maroon">j</font> <a href="hidden.html#R2">in</a>  <a href="finseq_1.html#K4">dom</a> <span class="p1">(<span class="default"><a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w1</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font></span>)</span> &amp; <font color="Maroon">j</font> <a href="hidden.html#R2">in</a>  <a href="finseq_1.html#K4">dom</a> <span class="p1">(<span class="default"><a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w2</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font></span>)</span> )
 
<b>by </b><i>, , , <a class="ref" href="finseq_1.html#T3">FINSEQ_1:3</a></i>;<br/>
<a NAME="E8:8"/><b>then </b><i><font color="Green">E47</font></i>: 
<font color="Maroon">j</font> <a href="hidden.html#R2">in</a> <span class="p1">(<span class="default"><a href="finseq_1.html#K4">dom</a> <span class="p2">(<span class="default"><a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w1</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font></span>)</span></span>)</span> <a href="subset_1.html#K9">/\</a> <span class="p1">(<span class="default"><a href="finseq_1.html#K4">dom</a> <span class="p2">(<span class="default"><a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w2</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font></span>)</span></span>)</span>
 
<b>by </b><i><a class="ref" href="xboole_0.html#D3">XBOOLE_0:def 3</a></i>;<br/>
<a NAME="E9:8"/>
 <a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w1</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font>, <a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w2</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font> <a href="xboole_0.html#R3">are_c=-comparable</a> 
 
<b>by </b><i>, </i>;<br/>
<a NAME="E10:8"/><b>then </b>
(  <a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w1</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font> <a href="tarski.html#R1">c=</a>  <a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w2</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font> or  <a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w2</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font> <a href="tarski.html#R1">c=</a>  <a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w1</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font> )
 
<b>by </b><i><a class="ref" href="xboole_0.html#D9">XBOOLE_0:def 9</a></i>;<br/>
<a NAME="E11:8"/><b>then </b>
 <a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w1</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font> <a href="partfun1.html#R1">tolerates</a>  <a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w2</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font>
 
<b>by </b><i><a class="ref" href="partfun1.html#T135">PARTFUN1:135</a></i>;<br/>
<b>hence </b><a NAME="E12:8"/>
<span class="p1">(<span class="default"><a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w1</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">j</font> <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><a href="fsm_2.html#NK1" target="_self">GEN</a> <font color="Maroon">w2</font>,the <a href="fsm_1.html#U2">InitS</a> of <font color="Maroon">S</font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">j</font>
 <b>by </b><i>, <a class="ref" href="partfun1.html#D6">PARTFUN1:def 6</a></i>;<br/>


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