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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="hilbert1.html#K1" title="HILBERT1:func.1">HP-WFF</a> ;<br/>

<a NAME="E1:29"/>
(  <a href="hilbert1.html#K5" title="HILBERT1:func.5">CnPos</a> <span class="p1">(<span class="default"><a href="hilbert1.html#K5" title="HILBERT1:func.5">CnPos</a> <font color="Maroon" title="c1">X</font></span>)</span> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="hilbert1.html#K5" title="HILBERT1:func.5">CnPos</a> <font color="Maroon" title="c1">X</font> &amp;  <a href="hilbert1.html#K5" title="HILBERT1:func.5">CnPos</a> <font color="Maroon" title="c1">X</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="hilbert1.html#K5" title="HILBERT1:func.5">CnPos</a> <span class="p1">(<span class="default"><a href="hilbert1.html#K5" title="HILBERT1:func.5">CnPos</a> <font color="Maroon" title="c1">X</font></span>)</span> )
 
<b>by </b><i><a class="txt" href="hilbert1.html#E24"><i><font color="Green" title="E20">Lm2</font></i></a>, <a class="ref" href="hilbert1.html#T9" target="_self" title="HILBERT1:th.9">Th9</a></i>;<br/>
<b>hence </b><a NAME="E2:29"/>
 <a href="hilbert1.html#K5" title="HILBERT1:func.5">CnPos</a> <span class="p1">(<span class="default"><a href="hilbert1.html#K5" title="HILBERT1:func.5">CnPos</a> <font color="Maroon" title="c1">X</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="hilbert1.html#K5" title="HILBERT1:func.5">CnPos</a> <font color="Maroon" title="c1">X</font>
 <b>by </b><i><a class="ref" href="xboole_0.html#D10" title="XBOOLE_0:def.10">XBOOLE_0:def 10</a></i>;<br/>


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