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<b>let </b><font color="Maroon">e</font> be    <a href="subset_1.html#M2">Element</a> of <font color="Maroon">S</font>;<br/>

<b>thus </b><a NAME="E1:14_1_1"/>
<font color="Maroon">e</font> is    <a href="pboole.html#M4">ManySortedSubset</a> of <font color="Maroon">M</font>
 <b>by </b><i/>;<br/>


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