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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E46">Th62</font></span>: <a NAME="T62"><span class="comment"><font color="firebrick">:: KURATO_1:62</font></span><br/></a><div class="add"> <a href="kurato_1.html#K6" title="KURATO_1:func.6">KurExSet</a>  <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <a href="kurato_1.html#K6" title="KURATO_1:func.6">KurExSet</a> <a href="subset_1.html#K3" title="SUBSET_1:func.3">`</a>  <span class="kw">by</span> <span class="lab"><a class="ref" href="xboole_1.html#T66" onmouseover="rs('xboole_1/T66')" onmouseout="rh()">XBOOLE_1:66</a>, <a class="ref" href="xboole_1.html#T79" onmouseover="rs('xboole_1/T79')" onmouseout="rh()">XBOOLE_1:79</a></span>;<br/></div></div>
