<?xml version="1.0"?>
<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E9">Th9</font></span>: <a NAME="T9"><span class="comment"><font color="firebrick">:: DILWORTH:9</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">R</font> being    <a href="orders_2.html#L1" title="ORDERS_2:struct.1">RelStr</a> <br/>  for <font color="Olive" title="b2">C</font> being   <a href="dilworth.html#NM1" title="DILWORTH:NM.1">Clique</a> of <font color="Olive" title="b1">R</font><br/>  for <font color="Olive" title="b3">S</font> being   <a href="subset_1.html#NM2" title="SUBSET_1:NM.2">Subset</a> of <font color="Olive" title="b2">C</font> holds  <font color="Olive" title="b3">S</font> is   <a href="dilworth.html#NM1" title="DILWORTH:NM.1">Clique</a> of <font color="Olive" title="b1">R</font></div></div>
