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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E4">Th4</font></span>: <a NAME="T5"><span class="comment"><font color="firebrick">:: POLYFORM:5</font></span><br/></a><div class="add">2 is  <a href="abian.html#V1" title="ABIAN:attr.1">even</a> </div></div>
