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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E17">ESS</font></span>: <a NAME="T33"><span class="comment"><font color="firebrick">:: NEWTON06:33</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">a</font>, <font color="Olive" title="b2">b</font> being   <a href="pythtrip.html#V1" title="PYTHTRIP:attr.1">square</a>  <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a>  st <span class="p1">(<span class="default"><font color="Olive" title="b1">a</font> <a href="xcmplx_0.html#K2" title="XCMPLX_0:func.2">+</a> <font color="Olive" title="b2">b</font></span>)</span> <a href="xcmplx_0.html#K7" title="XCMPLX_0:func.7">/</a> 2 is  <a href="pythtrip.html#V1" title="PYTHTRIP:attr.1">square</a>  holds <br/><font color="Olive" title="b1">a</font> <a href="nat_d.html#K4" title="NAT_D:func.4">mod</a> 3 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b2">b</font> <a href="nat_d.html#K4" title="NAT_D:func.4">mod</a> 3</div></div>
