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<div>:: <span class="kw">deftheorem </span>   defines <a href="number10.html#R1" title="NUMBER10:pred.1">are_twin</a> <a onclick="hs(this)" href="javascript:()">NUMBER10:def 1 : <br/></a><span> for <font color="Olive" title="b1">r</font>, <font color="Olive" title="b2">s</font> being   <a href="xcmplx_0.html#NM1" title="XCMPLX_0:NM.1">Complex</a> holds <br/> ( <font color="Olive" title="b1">r</font>,<font color="Olive" title="b2">s</font> <a href="number10.html#R1" title="NUMBER10:pred.1">are_twin</a>  iff <span class="p1"><a href="complex1.html#K9" title="COMPLEX1:func.9">|.</a><span class="default"><span class="p2">(<span class="default"><font color="Olive" title="b2">s</font> <a href="xcmplx_0.html#K6" title="XCMPLX_0:func.6">-</a> <font color="Olive" title="b1">r</font></span>)</span></span><a href="complex1.html#K9" title="COMPLEX1:func.9">.|</a></span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 2 );<br/></span></div>
