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<div><span class="kw">theorem </span><a NAME="T33"><span class="comment"><font color="firebrick">:: NUMBERS:33</font></span><br/></a><div class="add"> <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>  <a href="xboole_0.html#R2" title="XBOOLE_0:pred.2">c&lt;</a>  <a href="numbers.html#K6" title="NUMBERS:func.6">ExtREAL</a>  <span class="kw">by</span> <span class="lab"><a class="ref" href="numbers.html#T31" target="_self" onmouseover="rs('numbers/T31')" onmouseout="rh()">Th31</a>, <a class="ref" href="numbers.html#T32" target="_self" onmouseover="rs('numbers/T32')" onmouseout="rh()">Th32</a></span>;<br/></div></div>
