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<b>set </b><font color="Maroon">k</font> =  <a href="finseq_1.html#K3">len</a> <font color="Maroon">l</font>;<br/>
<b>set </b><font color="Maroon">QCP</font> = <span class="p1">{<span class="default"> <font color="Olive">Q</font> where <font color="Olive">Q</font> is   <a href="qc_lang1.html#NM2">QC-pred_symbol</a> :  <a href="qc_lang1.html#K6" target="_self">the_arity_of</a> <font color="Olive">Q</font> <a href="hidden.html#R1">=</a>  <a href="finseq_1.html#K3">len</a> <font color="Maroon">l</font> </span>}</span> ;<br/>
<a NAME="E1:20_1_1"/>
( <span class="p1">{<span class="default"> <font color="Olive">Q</font> where <font color="Olive">Q</font> is   <a href="qc_lang1.html#NM2">QC-pred_symbol</a> :  <a href="qc_lang1.html#K6" target="_self">the_arity_of</a> <font color="Olive">Q</font> <a href="hidden.html#R1">=</a>  <a href="finseq_1.html#K3">len</a> <font color="Maroon">l</font> </span>}</span>  <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><a href="finseq_1.html#K3">len</a> <font color="Maroon">l</font></span>)</span> <a href="qc_lang1.html#K7" target="_self">-ary_QC-pred_symbols</a>  &amp; <font color="Maroon">P</font> <a href="hidden.html#R2">in</a> <span class="p1">{<span class="default"> <font color="Olive">Q</font> where <font color="Olive">Q</font> is   <a href="qc_lang1.html#NM2">QC-pred_symbol</a> :  <a href="qc_lang1.html#K6" target="_self">the_arity_of</a> <font color="Olive">Q</font> <a href="hidden.html#R1">=</a>  <a href="finseq_1.html#K3">len</a> <font color="Maroon">l</font> </span>}</span>  )
 
<b>by </b><i/>;<br/>
<b>then reconsider </b><font color="Maroon">P</font> = <font color="Maroon">P</font> as   <a href="qc_lang1.html#NM6">QC-pred_symbol</a> of <span class="p1">(<span class="default"><a href="finseq_1.html#K3">len</a> <font color="Maroon">l</font></span>)</span> ;<br/>
<b>reconsider </b><font color="Maroon">l</font> = <font color="Maroon">l</font> as    <a href="qc_lang1.html#M1" target="_self">QC-variable_list</a> of  <a href="finseq_1.html#K3">len</a> <font color="Maroon">l</font> <b>by </b><i/>;<br/>
<b>reconsider </b><font color="Maroon">X</font> = <span class="p1"><a href="finseq_1.html#K12">&lt;*</a><span class="default"><font color="Maroon">P</font></span><a href="finseq_1.html#K12">*&gt;</a></span> <a href="finseq_1.html#K7">^</a> <font color="Maroon">l</font> as    <a href="finseq_1.html#M2">FinSequence</a> of <span class="p1"><a href="mcart_1.html#K12">[:</a><span class="default"><a href="numbers.html#K5">NAT</a> ,<a href="numbers.html#K5">NAT</a> </span><a href="mcart_1.html#K12">:]</a></span> <b>by </b><i/>;<br/>
<a NAME="E5:20_1_1"/>
<font color="Maroon">X</font> is   <a href="qc_lang1.html#NM8">QC-formula</a>
 
<b>by </b><i>, </i>;<br/>
<b>hence </b><a NAME="E6:20_1_1"/>
<span class="p1"><a href="finseq_1.html#K12">&lt;*</a><span class="default"><font color="Maroon">P</font></span><a href="finseq_1.html#K12">*&gt;</a></span> <a href="finseq_1.html#K7">^</a> <font color="Maroon">l</font> is    <a href="subset_1.html#M1">Element</a> of  <a href="qc_lang1.html#K8" target="_self">QC-WFF</a> 
 ;<br/>


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