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<b>let </b><font color="Maroon">z</font> be  <a href="xcmplx_0.html#V1">complex</a>  <a href="ordinal1.html#NM1" target="_self">number</a> ;<br/>

<b>thus </b><span class="p1"><a href="complex1.html#K17" target="_self">|.</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon">z</font> <a href="xcmplx_0.html#K3">*</a> <font color="Maroon">z</font></span>)</span></span><a href="complex1.html#K17" target="_self">.|</a></span> = 
<span class="p1"><a href="complex1.html#K17" target="_self">|.</a><span class="default"><font color="Maroon">z</font></span><a href="complex1.html#K17" target="_self">.|</a></span> <a href="real_1.html#K4">*</a> <span class="p1"><a href="complex1.html#K17" target="_self">|.</a><span class="default"><font color="Maroon">z</font></span><a href="complex1.html#K17" target="_self">.|</a></span>
<b>by </b><i><a class="txt" href="complex1.html#E37"><i><font color="Green">Lemma67</font></i></a></i>
<br/>.= 
<span class="p1"><a href="complex1.html#K17" target="_self">|.</a><span class="default"><font color="Maroon">z</font></span><a href="complex1.html#K17" target="_self">.|</a></span> <a href="real_1.html#K4">*</a> <span class="p1"><a href="complex1.html#K17" target="_self">|.</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon">z</font> <a href="complex1.html#K15" target="_self">*'</a> </span>)</span></span><a href="complex1.html#K17" target="_self">.|</a></span>
<b>by </b><i/>
<br/>.= 
<span class="p1"><a href="complex1.html#K17" target="_self">|.</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon">z</font> <a href="xcmplx_0.html#K3">*</a> <span class="p3">(<span class="default"><font color="Maroon">z</font> <a href="complex1.html#K15" target="_self">*'</a> </span>)</span></span>)</span></span><a href="complex1.html#K17" target="_self">.|</a></span>
<b>by </b><i><a class="txt" href="complex1.html#E37"><i><font color="Green">Lemma67</font></i></a></i>
;<br/>


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