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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E89">Th64</font></span>: <a NAME="T64"><span class="comment"><font color="firebrick">:: FOMODEL0:64</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font>, <font color="Olive" title="b2">Y</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>  holds   <a href="setfam_1.html#K3" title="SETFAM_1:func.3">INTERSECTION</a> (<font color="Olive" title="b1">X</font>,<font color="Olive" title="b2">Y</font>) <a href="setfam_1.html#R1" title="SETFAM_1:pred.1">is_finer_than</a> <font color="Olive" title="b1">X</font></div></div>
