<?xml version="1.0"?>
<div><span class="kw">theorem </span><a NAME="T25"><span class="comment"><font color="firebrick">:: FINTOPO8:25</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">NT</font> being   <a href="fintopo8.html#NM1" title="FINTOPO8:NM.1">NTopSpace</a><br/>  for <font color="Olive" title="b2">A</font> being   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <font color="Olive" title="b1">NT</font> holds <br/> ( <font color="Olive" title="b2">A</font> is  <a href="fintopo8.html#V2" title="FINTOPO8:attr.2">closed</a>  iff  <a href="fintopo8.html#K5" title="FINTOPO8:func.5">Cl</a> <font color="Olive" title="b2">A</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b2">A</font> ) <span class="kw">by</span> <span class="lab"><a class="txt" href="fintopo8.html#E31"><span class="lab"><font color="Green" title="E22">Lm20</font></span></a>, <a class="txt" href="fintopo8.html#E33"><span class="lab"><font color="Green" title="E24">Lm22</font></span></a></span>;<br/></div></div>
