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<a NAME="E1:22_1_1"/>
<font color="Maroon">R</font> <a href="relset_1.html#K10">.:</a> <span class="p1"><a href="tarski.html#K1">{</a><span class="default"><font color="Maroon">x</font></span><a href="tarski.html#K1">}</a></span> <a href="tarski.html#R1">c=</a> <font color="Maroon">Y</font>
 
;<br/>
<b>hence </b><a NAME="E2:22_1_1"/>
 <a href="eqrel_1.html#K6" target="_self">Class</a> <font color="Maroon">R</font>,<font color="Maroon">x</font> is   <a href="subset_1.html#NM2">Subset</a> of <font color="Maroon">Y</font>
 ;<br/>


</div>
