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<div>:: <span class="kw">deftheorem </span>   defines <a href="fib_num2.html#K3" title="FIB_NUM2:func.3">EvenNAT</a> <a onclick="hs(this)" href="javascript:()">FIB_NUM2:def 3 : <br/></a><span> <a href="fib_num2.html#K3" title="FIB_NUM2:func.3">EvenNAT</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"> { <span class="default"> <span class="p2">(<span class="default">2 <a href="xcmplx_0.html#K3" title="XCMPLX_0:func.3">*</a> <font color="Olive" title="b1">k</font></span>)</span> where <font color="Olive" title="b1">k</font> is   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> : verum </span> } </span> ;<br/></span></div>
