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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E19">Th15</font></span>: <a NAME="T15"><span class="comment"><font color="firebrick">:: CLASSES5:15</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">x</font> being   <a href="subset_1.html#NM2" title="SUBSET_1:NM.2">Subset</a> of <a href="classes2.html#K13" title="CLASSES2:func.13">FinSETS</a>  st <font color="Olive" title="b1">x</font> is  <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a>  holds <br/><font color="Olive" title="b1">x</font> is    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of  <a href="classes2.html#K13" title="CLASSES2:func.13">FinSETS</a> </div></div>
