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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E40">Th39</font></span>: <a NAME="T39"><span class="comment"><font color="firebrick">:: NAT_3:39</font></span><br/></a><div class="add"> <a href="nat_3.html#NK13" title="NAT_3:NK.13">pfexp</a> 1 <a href="pboole.html#R8" title="PBOOLE:pred.8">=</a>  <a href="pre_poly.html#K16" title="PRE_POLY:func.16">EmptyBag</a> <a href="newton.html#K8" title="NEWTON:func.8">SetPrimes</a></div></div>
