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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E30">Th63</font></span>: <a NAME="T63"><span class="comment"><font color="firebrick">:: MMLQUERY:63</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a> <br/>  for <font color="Olive" title="b2">A</font> being    <a href="finseq_1.html#M2" title="FINSEQ_1:mode.2">FinSequence</a> of  <a href="setfam_1.html#K9" title="SETFAM_1:func.9">bool</a> <font color="Olive" title="b1">X</font> holds   <a href="mmlquery.html#K26" title="MMLQUERY:func.26">ROUGH</a> (<font color="Olive" title="b2">A</font>,1) <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="prob_3.html#K5" title="PROB_3:func.5">Union</a> <font color="Olive" title="b2">A</font></div></div>
