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<b>consider </b><font color="Maroon">a1</font> being    <a href="subset_1.html#M1">Element</a> of <font color="Maroon">C1</font>, <font color="Maroon">a2</font> being    <a href="subset_1.html#M1">Element</a> of <font color="Maroon">C2</font>;<br/>
<a NAME="E2:158_1_1"/>
<span class="p1"><a href="zfmisc_1.html#K2">[:</a><span class="default"><font color="Maroon">a1</font>,<font color="Maroon">a2</font></span><a href="zfmisc_1.html#K2">:]</a></span> <a href="hidden.html#R2">in</a> <font color="Maroon">C1</font> <a href="cohsp_1.html#K17" target="_self">[*]</a> <font color="Maroon">C2</font>
 
<b>by </b><i><a class="ref" href="cohsp_1.html#T23" target="_self">Th23</a></i>;<br/>
<b>hence </b><a NAME="E3:158_1_1"/>
not <font color="Maroon">C1</font> <a href="cohsp_1.html#K17" target="_self">[*]</a> <font color="Maroon">C2</font> is <a href="xboole_0.html#V1">empty</a>
 ;<br/>


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