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<a NAME="E1:117_1_1"/>
<font color="Maroon">I</font> <a href="subset_1.html#K9">/\</a> <font color="Maroon">J</font> is   <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">R</font>
 
;<br/>
<b>hence </b><a NAME="E2:117_1_1"/>
<font color="Maroon">I</font> <a href="xboole_0.html#K3">/\</a> <font color="Maroon">J</font> is   <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">R</font>
 ;<br/>


</div>
