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<span class="kw">set </span><font color="Maroon" title="c1">x</font> =  the   <a href="qc_lang1.html#NM3" title="QC_LANG1:NM.3">bound_QC-variable</a>;<br/>
<span class="kw">set </span><font color="Maroon" title="c2">p</font> =  the    <a href="subset_1.html#M2" title="SUBSET_1:mode.2">Element</a> of  <a href="cqc_lang.html#K3" title="CQC_LANG:func.3">CQC-WFF</a> ;<br/>
<span class="kw">set </span><font color="Maroon" title="c3">a</font> =  <a href="cqc_lang.html#K12" title="CQC_LANG:func.12">Ex</a> ( the   <a href="qc_lang1.html#NM3" title="QC_LANG1:NM.3">bound_QC-variable</a>, the    <a href="subset_1.html#M2" title="SUBSET_1:mode.2">Element</a> of  <a href="cqc_lang.html#K3" title="CQC_LANG:func.3">CQC-WFF</a> );<br/>
<a NAME="E1:19"/>
 <a href="cqc_lang.html#K12" title="CQC_LANG:func.12">Ex</a> ( the   <a href="qc_lang1.html#NM3" title="QC_LANG1:NM.3">bound_QC-variable</a>, the    <a href="subset_1.html#M2" title="SUBSET_1:mode.2">Element</a> of  <a href="cqc_lang.html#K3" title="CQC_LANG:func.3">CQC-WFF</a> ) <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="goedelcp.html#K1" title="GOEDELCP:func.1">ExCl</a> 
 
<span class="kw">by</span> <span class="lab"><a class="ref" href="goedelcp.html#D3" target="_self" title="GOEDELCP:def.3">Def3</a></span>;<br/>
<span class="kw">hence </span><a NAME="E2:19"/>
 not  <a href="goedelcp.html#K1" title="GOEDELCP:func.1">ExCl</a>  is  <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> 
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide">  <a href="goedelcp.html#K1" title="GOEDELCP:func.1">ExCl</a>  is  <a href="card_3.html#V4" title="CARD_3:attr.4">countable</a> </span><br/>

<span class="kw">thus </span><a NAME="E3:19"/>
 <a href="goedelcp.html#K1" title="GOEDELCP:func.1">ExCl</a>  is  <a href="card_3.html#V4" title="CARD_3:attr.4">countable</a> 
 <span class="kw">by</span> <span class="lab"><a class="ref" href="goedelcp.html#T19" target="_self" title="GOEDELCP:th.19">Th19</a></span>; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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