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<div><span class="kw">theorem </span><a NAME="T42"><span class="comment"><font color="firebrick">:: SURREAL0:42</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font>, <font color="Olive" title="b2">Y1</font>, <font color="Olive" title="b3">Y2</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>   st <font color="Olive" title="b1">X</font> <a href="surreal0.html#R7" title="SURREAL0:pred.7">&lt;&lt;</a> <font color="Olive" title="b2">Y1</font> &amp; <font color="Olive" title="b1">X</font> <a href="surreal0.html#R7" title="SURREAL0:pred.7">&lt;&lt;</a> <font color="Olive" title="b3">Y2</font> holds <br/><font color="Olive" title="b1">X</font> <a href="surreal0.html#R7" title="SURREAL0:pred.7">&lt;&lt;</a> <font color="Olive" title="b2">Y1</font> <a href="xboole_0.html#K2" title="XBOOLE_0:func.2">\/</a> <font color="Olive" title="b3">Y2</font></div></div>
