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<b>let </b><font color="Maroon" title="c1">X</font> be    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/><b>let </b><font color="Maroon" title="c2">fs</font> be    <a href="finseq_1.html#M2" title="FINSEQ_1:mode.2">FinSequence</a> of <font color="Maroon" title="c1">X</font>;<br/>



<b>reconsider </b><font color="Maroon" title="c3">fs'</font> = <font color="Maroon" title="c2">fs</font> as   <a href="finseq_1.html#NM4" title="FINSEQ_1:NM.4">FinSubsequence</a> <b>by </b><i><a class="ref" href="finseq_1.html#T68" title="FINSEQ_1:th.68">FINSEQ_1:68</a></i>;<br/>
<a NAME="E2:38"/>
<font color="Maroon" title="c3">fs'</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Maroon" title="c2">fs</font>
 
;<br/>
<b>hence </b><a NAME="E3:38"/>
<font color="Maroon" title="c2">fs</font> is    <a href="graph_2.html#M1" title="GRAPH_2:mode.1">FinSubsequence</a> of <font color="Maroon" title="c2">fs</font>
 <b>by </b><i><a class="ref" href="graph_2.html#D5" target="_self" title="GRAPH_2:def.5">Def5</a></i>;<br/>


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