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<b>consider </b><font color="Maroon">p</font> being   <a href="qc_lang1.html#NM8">QC-formula</a>, <font color="Maroon">e</font> being    <a href="subset_1.html#M1">Element</a> of  <a href="substut1.html#K1" target="_self">vSUB</a> <b> such that </b><br/><a NAME="E2:76_1_1"/><i><font color="Green">E40</font></i>: 
<font color="Maroon">S</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="domain_1.html#K1">[</a><span class="default"><font color="Maroon">p</font>,<font color="Maroon">e</font></span><a href="domain_1.html#K1">]</a></span>
 <b>by </b><i/>;<br/>
<b>thus </b><a NAME="E3:76_1_1"/>
<font color="Maroon">S</font> is    <a href="subset_1.html#M1">Element</a> of <span class="p1"><a href="zfmisc_1.html#K2">[:</a><span class="default"><a href="qc_lang1.html#K8">QC-WFF</a> ,<a href="substut1.html#K1" target="_self">vSUB</a> </span><a href="zfmisc_1.html#K2">:]</a></span>
 <b>by </b><i/>;<br/>


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