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<div><span class="kw">theorem </span><a NAME="T23"><span class="comment"><font color="firebrick">:: YELLOW_1:23</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">T</font> being   non  <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a>  <a href="pre_topc.html#NM1" title="PRE_TOPC:NM.1">TopSpace</a> holds   <a href="yellow_0.html#K3" title="YELLOW_0:func.3">Bottom</a> <span class="p1">(<span class="default"><a href="yellow_1.html#K1" title="YELLOW_1:func.1">InclPoset</a>  the <a href="pre_topc.html#U1" title="PRE_TOPC:sel.1">topology</a> of <font color="Olive" title="b1">T</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a>  <span class="kw">by</span> <span class="lab"><a class="ref" href="yellow_1.html#T13" target="_self" onmouseover="rs('yellow_1/T13')" onmouseout="rh()">Th13</a>, <a class="ref" href="pre_topc.html#T1" onmouseover="rs('pre_topc/T1')" onmouseout="rh()">PRE_TOPC:1</a></span>;<br/></div></div>
