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<div><span class="kw">theorem </span><a NAME="T26"><span class="comment"><font color="firebrick">:: HEYTING3:26</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">k</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of  <a href="numbers.html#NK1" title="NUMBERS:NK.1">NAT</a>  holds   <a href="heyting3.html#K4" title="HEYTING3:func.4">PFBrt</a> (1,<font color="Olive" title="b1">k</font>) <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="domain_1.html#K7" title="DOMAIN_1:func.7">{</a><span class="default"><span class="p2">(<span class="default"><a href="heyting3.html#K2" title="HEYTING3:func.2">PFArt</a> (1,<font color="Olive" title="b1">k</font>)</span>)</span>,<span class="p2">(<span class="default"><a href="heyting3.html#K3" title="HEYTING3:func.3">PFCrt</a> (1,<font color="Olive" title="b1">k</font>)</span>)</span></span><a href="domain_1.html#K7" title="DOMAIN_1:func.7">}</a></span></div></div>
