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<b>let </b><font color="Maroon" title="c1">X</font> be   <a href="subset_1.html#NM2" title="SUBSET_1:NM.2">Subset</a> of <a href="cqc_lang.html#K7" title="CQC_LANG:func.7">CQC-WFF</a> ;<br/>

<a NAME="E1:60"/>
 <a href="cqc_lang.html#K9" title="CQC_LANG:func.9">VERUM</a>  <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="cqc_the1.html#K1" title="CQC_THE1:func.1">Cn</a> <font color="Maroon" title="c1">X</font>
 
<b>by </b><i><a class="ref" href="cqc_the1.html#T27" target="_self" title="CQC_THE1:th.27">Th27</a></i>;<br/>
<b>hence </b><a NAME="E2:60"/>
<font color="Maroon" title="c1">X</font> <a href="cqc_the1.html#R3" title="CQC_THE1:pred.3">|-</a>  <a href="cqc_lang.html#K9" title="CQC_LANG:func.9">VERUM</a> 
 <b>by </b><i><a class="ref" href="cqc_the1.html#D9" target="_self" title="CQC_THE1:def.9">Def9</a></i>;<br/>


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