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<b>let </b><font color="Maroon">x</font> be    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K2">COMPLEX</a> ;<br/><b>let </b><font color="Maroon">y</font> be    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K2">COMPLEX</a> ;<br/>



<b>thus </b><span class="p1">(<span class="default"><a href="complex1.html#K10">-</a> <font color="Maroon">x</font></span>)</span> <a href="complex2.html#K1" target="_self">.|.</a> <font color="Maroon">y</font> = 
<span class="p1">(<span class="default"><a href="complex1.html#K10">-</a> <span class="p2">(<span class="default"><a href="complex1.html#K6">1r</a>  <a href="complex1.html#K15">*'</a> </span>)</span></span>)</span> <a href="complex1.html#K9">*</a> <span class="p1">(<span class="default"><font color="Maroon">x</font> <a href="complex2.html#K1" target="_self">.|.</a> <font color="Maroon">y</font></span>)</span>
<b>by </b><i><a class="ref" href="complex1.html#T115">COMPLEX1:115</a>, <a class="ref" href="complex1.html#D7">COMPLEX1:def 7</a></i>
<br/>.= 
<span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="complex1.html#K10">-</a> <a href="complex1.html#K6">1r</a> </span>)</span> <a href="complex1.html#K15">*'</a> </span>)</span> <a href="complex1.html#K9">*</a> <span class="p1">(<span class="default"><font color="Maroon">x</font> <a href="complex2.html#K1" target="_self">.|.</a> <font color="Maroon">y</font></span>)</span>
<b>by </b><i><a class="ref" href="complex1.html#T119">COMPLEX1:119</a></i>
<br/>.= 
<font color="Maroon">x</font> <a href="complex2.html#K1" target="_self">.|.</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="complex1.html#K10">-</a> <a href="complex1.html#K6">1r</a> </span>)</span> <a href="complex1.html#K9">*</a> <font color="Maroon">y</font></span>)</span>
<b>by </b><i/>
<br/>.= 
<font color="Maroon">x</font> <a href="complex2.html#K1" target="_self">.|.</a> <span class="p1">(<span class="default"><a href="complex1.html#K10">-</a> <font color="Maroon">y</font></span>)</span>
<b>by </b><i><a class="ref" href="complex1.html#D7">COMPLEX1:def 7</a></i>
;<br/>


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