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<div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="44_1_1_1"><b>per </b></a><a class="txt" onclick="hs(this)" href="javascript:()"><b>cases </b></a><span class="hide"><a NAME="E1:44_1_1_1"/>
(  not <font color="Maroon">P</font> is <a href="xboole_0.html#V1">empty</a> or <font color="Maroon">P</font> is <a href="xboole_0.html#V1">empty</a> )
 </span>;<br/><div class="add"><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="44_1_1_1_1"><b>suppose </b></a><a NAME="E1:44_1_1_1_1"/>
not <font color="Maroon">P</font> is <a href="xboole_0.html#V1">empty</a>
 ;<br/><div class="add"><b>hence </b><a NAME="E2:44_1_1_1_1"/>
<font color="Maroon">T</font> <a href="pre_topc.html#K3">|</a> <font color="Maroon">P</font> is <a href="compts_1.html#V2">compact</a>
 <b>by </b><i><a class="ref" href="compts_1.html#T12">COMPTS_1:12</a></i>;<br/></div><b>end;</b></div><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="44_1_1_1_2"><b>suppose </b></a><a NAME="E1:44_1_1_1_2"/>
<font color="Maroon">P</font> is <a href="xboole_0.html#V1">empty</a>
 ;<br/><div class="add"><b>hence </b><a NAME="E2:44_1_1_1_2"/>
<font color="Maroon">T</font> <a href="pre_topc.html#K3">|</a> <font color="Maroon">P</font> is <a href="compts_1.html#V2">compact</a>
 <b>by </b><i><a class="ref" href="compts_1.html#T12">COMPTS_1:12</a></i>;<br/></div><b>end;</b></div></div><b>end;</b></div>

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