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<div>:: <span class="kw">deftheorem </span>   defines <a href="hilbert1.html#K6" title="HILBERT1:func.6">HP_TAUT</a> <a onclick="hs(this)" href="javascript:()">HILBERT1:def 12 : <br/></a><span> <a href="hilbert1.html#K6" title="HILBERT1:func.6">HP_TAUT</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="hilbert1.html#K5" title="HILBERT1:func.5">CnPos</a> <span class="p1">(<span class="default"><a href="subset_1.html#K1" title="SUBSET_1:func.1">{}</a> <a href="hilbert1.html#K1" title="HILBERT1:func.1">HP-WFF</a></span>)</span>;<br/></span></div>
