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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E10">Th9</font></span>: <a NAME="T9"><span class="comment"><font color="firebrick">:: LTLAXIO4:9</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">P</font> being   <a href="ltlaxio3.html#NM1" title="LTLAXIO3:NM.1">PNPair</a> holds   <a href="ltlaxio3.html#K10" title="LTLAXIO3:func.10">rng</a> <font color="Olive" title="b1">P</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="setfam_1.html#K5" title="SETFAM_1:func.5">union</a> <span class="p1">(<span class="default"><a href="ltlaxio3.html#K7" title="LTLAXIO3:func.7">Subt</a> <span class="p2">(<span class="default"><a href="ltlaxio3.html#K10" title="LTLAXIO3:func.10">rng</a> <font color="Olive" title="b1">P</font></span>)</span></span>)</span></div></div>
