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

<b>let </b><font color="Maroon" title="c1">X</font>, <font color="Maroon" title="c2">Y</font> be   <a href="subset_1.html#NM2" title="SUBSET_1:NM.2">Subset</a> of <a href="cqc_lang.html#K4" title="CQC_LANG:func.4">CQC-WFF</a> ;<br/>



<b>assume </b><a NAME="E1:2"/><i><font color="Green" title="E3">A1</font></i>: 
<font color="Maroon" title="c1">X</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="cqc_the1.html#K1" title="CQC_THE1:func.1">Cn</a> <font color="Maroon" title="c2">Y</font>
 ;<br/>

<a NAME="E2:2"/>
 <a href="cqc_the1.html#K1" title="CQC_THE1:func.1">Cn</a> <font color="Maroon" title="c2">Y</font> is <a href="cqc_the1.html#V1" title="CQC_THE1:attr.1">being_a_theory</a>
 
<b>by </b><i><a class="ref" href="cqc_the1.html#T36" title="CQC_THE1:th.36">CQC_THE1:36</a></i>;<br/>
<b>hence </b><a NAME="E3:2"/>
 <a href="cqc_the1.html#K1" title="CQC_THE1:func.1">Cn</a> <font color="Maroon" title="c1">X</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="cqc_the1.html#K1" title="CQC_THE1:func.1">Cn</a> <font color="Maroon" title="c2">Y</font>
 <b>by </b><i><a class="txt" href="cqc_the3.html#E1:2"><i><font color="Green" title="E3">A1</font></i></a>, <a class="ref" href="cqc_the1.html#T37" title="CQC_THE1:th.37">CQC_THE1:37</a></i>;<br/>


</div>
