<?xml version="1.0"?>
<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E31">Th17</font></span>: <a NAME="T17"><span class="comment"><font color="firebrick">:: RINGCAT1:17</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">UN</font> being   <a href="classes2.html#NM1" title="CLASSES2:NM.1">Universe</a> holds   <a href="mod_2.html#K18" title="MOD_2:func.18">Z_3</a>  <a href="tarski.html#R2" title="TARSKI:pred.2">in</a>  <a href="ringcat1.html#K9" title="RINGCAT1:func.9">RingObjects</a> <font color="Olive" title="b1">UN</font></div></div>
