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<div><span class="kw">theorem </span><a NAME="T23"><span class="comment"><font color="firebrick">:: PEPIN:23</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">m</font>, <font color="Olive" title="b2">n</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a>  holds <br/>(  not <font color="Olive" title="b1">m</font> <a href="xcmplx_0.html#K3" title="XCMPLX_0:func.3">*</a> <font color="Olive" title="b2">n</font> is  <a href="abian.html#V1" title="ABIAN:attr.1">even</a>  or <font color="Olive" title="b1">m</font> is  <a href="abian.html#V1" title="ABIAN:attr.1">even</a>  or <font color="Olive" title="b2">n</font> is  <a href="abian.html#V1" title="ABIAN:attr.1">even</a>  ) ;<br/></div></div>
