<?xml version="1.0"?>
<div>:: <span class="kw">deftheorem </span>   defines <a href="surreal0.html#R7" title="SURREAL0:pred.7">&lt;&lt;</a> <a onclick="hs(this)" href="javascript:()">SURREAL0:def 20 : <br/></a><span> for <font color="Olive" title="b1">L</font>, <font color="Olive" title="b2">R</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>  holds <br/> ( <font color="Olive" title="b1">L</font> <a href="surreal0.html#R7" title="SURREAL0:pred.7">&lt;&lt;</a> <font color="Olive" title="b2">R</font> iff  for <font color="Olive" title="b3">l</font>, <font color="Olive" title="b4">r</font> being   <a href="surreal0.html#NM1" title="SURREAL0:NM.1">Surreal</a>  st <font color="Olive" title="b3">l</font> <a href="tarski.html#R2" title="TARSKI:pred.2">in</a> <font color="Olive" title="b1">L</font> &amp; <font color="Olive" title="b4">r</font> <a href="tarski.html#R2" title="TARSKI:pred.2">in</a> <font color="Olive" title="b2">R</font> holds <br/> not <font color="Olive" title="b4">r</font> <a href="surreal0.html#R5" title="SURREAL0:pred.5">&lt;=</a> <font color="Olive" title="b3">l</font> );<br/></span></div>
