<?xml version="1.0"?>
<div><span class="kw">theorem </span><a NAME="T28"><span class="comment"><font color="firebrick">:: DESCIP_1:28</font></span><br/></a><div class="add"> <a href="descip_1.html#K27" title="DESCIP_1:func.27">DES-PIPINV</a>  <a href="funct_2.html#R2" title="FUNCT_2:pred.2">=</a> <a href="descip_1.html#K25" title="DESCIP_1:func.25">DES-PIP</a> <a href="funct_2.html#K2" title="FUNCT_2:func.2">"</a>  <span class="kw">by</span> <span class="lab"><a class="txt" href="descip_1.html#E51"><span class="lab"><font color="Green" title="E32">Lm7</font></span></a>, <a class="ref" href="funct_2.html#T60" onmouseover="rs('funct_2/T60')" onmouseout="rh()">FUNCT_2:60</a></span>;<br/></div></div>
