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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E17">Th19</font></span>: <a NAME="T19"><span class="comment"><font color="firebrick">:: KURATO_1:19</font></span><br/></a><div class="add"> <a href="pre_topc.html#K2" title="PRE_TOPC:func.2">Cl</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="pre_topc.html#K2" title="PRE_TOPC:func.2">Cl</a> <span class="p3">(<span class="default"><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>)</span></span>)</span> <a href="subset_1.html#K3" title="SUBSET_1:func.3">`</a></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="rcomp_1.html#K3" title="RCOMP_1:func.3">[.</a><span class="default">4,<a href="xxreal_0.html#K1" title="XXREAL_0:func.1">+infty</a></span><a href="rcomp_1.html#K3" title="RCOMP_1:func.3">.[</a></span> <span class="kw">by</span> <span class="lab"><a class="ref" href="kurato_1.html#T18" target="_self" onmouseover="rs('kurato_1/T18')" onmouseout="rh()">Th18</a>, <a class="ref" href="borsuk_5.html#T55" onmouseover="rs('borsuk_5/T55')" onmouseout="rh()">BORSUK_5:55</a></span>;<br/></div></div>
