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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E10">Th16</font></span>: <a NAME="T16"><span class="comment"><font color="firebrick">:: ZF_LANG:16</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">F</font>, <font color="Olive" title="b2">G</font> being   <a href="zf_lang.html#NM2" title="ZF_LANG:NM.2">ZF-formula</a> holds  <span class="p1">(<span class="default"><font color="Olive" title="b1">F</font> <a href="zf_lang.html#K6" title="ZF_LANG:func.6">'&amp;'</a> <font color="Olive" title="b2">G</font></span>)</span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> 1 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 3</div></div>
