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<div><span class="kw">theorem </span><a NAME="T11"><span class="comment"><font color="firebrick">:: ABIAN:11</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">i</font> being   <a href="int_1.html#NM1" title="INT_1:NM.1">Integer</a> holds <br/> ( <font color="Olive" title="b1">i</font> is  <a href="abian.html#V1" title="ABIAN:attr.1">even</a>  iff  ex <font color="Olive" title="b2">j</font> being   <a href="int_1.html#NM1" title="INT_1:NM.1">Integer</a> st <font color="Olive" title="b1">i</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 2 <a href="xcmplx_0.html#K3" title="XCMPLX_0:func.3">*</a> <font color="Olive" title="b2">j</font> ) <span class="kw">by</span> <span class="lab"><a class="txt" href="abian.html#E2"><span class="lab"><font color="Green" title="E1">Lm1</font></span></a></span>;<br/></div></div>
