<?xml version="1.0"?>
<div><span class="kw">theorem </span><a NAME="T99"><span class="comment"><font color="firebrick">:: XXREAL_3:99</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">f</font> being   <a href="xxreal_0.html#NM1" title="XXREAL_0:NM.1">ExtReal</a> holds  <span class="p1">(<span class="default"><a href="xxreal_3.html#K2" title="XXREAL_3:func.2">-</a> <font color="Olive" title="b1">f</font></span>)</span> <a href="xxreal_3.html#K5" title="XXREAL_3:func.5">"</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="xxreal_3.html#K2" title="XXREAL_3:func.2">-</a> <span class="p1">(<span class="default"><font color="Olive" title="b1">f</font> <a href="xxreal_3.html#K5" title="XXREAL_3:func.5">"</a></span>)</span></div></div>
