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<b>let </b><font color="Maroon" title="c3">x1</font>, <font color="Maroon" title="c4">x2</font> be   <a href="qc_lang1.html#NM3" title="QC_LANG1:NM.3">bound_QC-variable</a>;<br/>



<b>assume </b><b>that </b><br/><a NAME="E1:23_1_2"/><i><font color="Green" title="E26">A1</font></i>: 
for <font color="Olive" title="b1">p</font> being   <a href="subset_1.html#M2" title="SUBSET_1:mode.2">Element</a> of  <a href="cqc_lang.html#K7" title="CQC_LANG:func.7">CQC-WFF</a>   st <font color="Olive" title="b1">p</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">F</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Maroon" title="c2">a</font> holds <br/><font color="Maroon" title="c3">x1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="goedelcp.html#K2" title="GOEDELCP:func.2">Ex-bound_in</a> <font color="Olive" title="b1">p</font>
 <b>and </b><br/><a NAME="E2:23_1_2"/><i><font color="Green" title="E27">A2</font></i>: 
for <font color="Olive" title="b1">p</font> being   <a href="subset_1.html#M2" title="SUBSET_1:mode.2">Element</a> of  <a href="cqc_lang.html#K7" title="CQC_LANG:func.7">CQC-WFF</a>   st <font color="Olive" title="b1">p</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">F</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Maroon" title="c2">a</font> holds <br/><font color="Maroon" title="c4">x2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="goedelcp.html#K2" title="GOEDELCP:func.2">Ex-bound_in</a> <font color="Olive" title="b1">p</font>
 ;<br/>

<b>reconsider </b><font color="Maroon" title="c5">q</font> = <font color="Maroon" title="c1">F</font> <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Maroon" title="c2">a</font> as    <a href="subset_1.html#M2" title="SUBSET_1:mode.2">Element</a> of  <a href="cqc_lang.html#K7" title="CQC_LANG:func.7">CQC-WFF</a>  ;<br/>
<a NAME="E4:23_1_2"/>
( <font color="Maroon" title="c3">x1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="goedelcp.html#K2" title="GOEDELCP:func.2">Ex-bound_in</a> <font color="Maroon" title="c5">q</font> &amp; <font color="Maroon" title="c4">x2</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="goedelcp.html#K2" title="GOEDELCP:func.2">Ex-bound_in</a> <font color="Maroon" title="c5">q</font> )
 
<b>by </b><i><a class="txt" href="goedelcp.html#E1:23_1_2"><i><font color="Green" title="E26">A1</font></i></a>, <a class="txt" href="goedelcp.html#E2:23_1_2"><i><font color="Green" title="E27">A2</font></i></a></i>;<br/>
<b>hence </b><a NAME="E5:23_1_2"/>
<font color="Maroon" title="c3">x1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c4">x2</font>
 ;<br/>


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