<?xml version="1.0"?>
<div class="add">

<a NAME="E1:117_1_1"/>
<font color="Maroon" title="c2">I</font> <a href="subset_1.html#K9" title="SUBSET_1:func.9">/\</a> <font color="Maroon" title="c3">J</font> is   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <font color="Maroon" title="c1">R</font>
 
;<br/>
<b>hence </b><a NAME="E2:117_1_1"/>
<font color="Maroon" title="c2">I</font> <a href="xboole_0.html#K3" title="XBOOLE_0:func.3">/\</a> <font color="Maroon" title="c3">J</font> is   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <font color="Maroon" title="c1">R</font>
 ;<br/>


</div>
