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<div><span class="kw">theorem </span><a NAME="T60"><span class="comment"><font color="firebrick">:: SURREALN:60</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">x</font>, <font color="Olive" title="b2">y</font> being   <a href="surreal0.html#NM1" title="SURREAL0:NM.1">Surreal</a>  st <font color="Olive" title="b1">x</font> <a href="surrealo.html#R2" title="SURREALO:pred.2">==</a> <font color="Olive" title="b2">y</font> holds <br/> <a href="surrealn.html#K7" title="SURREALN:func.7">real_qua</a> <font color="Olive" title="b1">x</font> <a href="surrealo.html#R2" title="SURREALO:pred.2">==</a>  <a href="surrealn.html#K7" title="SURREALN:func.7">real_qua</a> <font color="Olive" title="b2">y</font> <span class="kw">by</span> <span class="lab"><a class="txt" href="surrealn.html#E88"><span class="lab"><font color="Green" title="E83">Lm20</font></span></a></span>;<br/></div></div>
