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<div><span class="kw">theorem </span><a NAME="T43"><span class="comment"><font color="firebrick">:: GRZLOG_1:43</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="grzlog_1.html#NM6" title="GRZLOG_1:NM.6">LD-EqClass</a> holds <br/> ( <font color="Olive" title="b1">x</font> <a href="grzlog_1.html#K39" title="GRZLOG_1:func.39">=&gt;</a> <font color="Olive" title="b2">y</font> is  <a href="grzlog_1.html#V11" title="GRZLOG_1:attr.11">LD-provable</a>  iff <font color="Olive" title="b1">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b1">x</font> <a href="grzlog_1.html#K36" title="GRZLOG_1:func.36">'&amp;'</a> <font color="Olive" title="b2">y</font> ) <span class="kw">by</span> <span class="lab"><a class="ref" href="grzlog_1.html#T36" target="_self" onmouseover="rs('grzlog_1/T36')" onmouseout="rh()">Th92</a></span>;<br/></div></div>
