<?xml version="1.0"?>
<div><span class="kw">theorem </span><a NAME="T7"><span class="comment"><font color="firebrick">:: CLASSES3:7</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>  holds  <font color="Olive" title="b1">X</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="classes3.html#K2" title="CLASSES3:func.2">Rrank</a> <font color="Olive" title="b1">X</font> <span class="kw">by</span> <span class="lab"><a class="ref" href="classes1.html#D9" onmouseover="rs('classes1/D9')" onmouseout="rh()">CLASSES1:def 9</a></span>;<br/></div></div>
