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<b>let </b><font color="Maroon">i</font> be    <a href="subset_1.html#M2">Element</a> of  <a href="numbers.html#K5">NAT</a> ;<br/><b>let </b><font color="Maroon">j</font> be    <a href="subset_1.html#M2">Element</a> of  <a href="numbers.html#K5">NAT</a> ;<br/><b>let </b><font color="Maroon">z</font> be    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K2">COMPLEX</a> ;<br/>





 <a href="rvsum_1.html#K17" target="_self">Product</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><font color="Maroon">i</font> <a href="binop_2.html#K24">*</a> <font color="Maroon">j</font></span>)</span> <a href="rvsum_1.html#K18" target="_self">|-&gt;</a> <font color="Maroon">z</font></span>)</span> = 
<a href="binop_2.html#K29">multcomplex</a>  <a href="finsop_1.html#K2">$$</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><font color="Maroon">i</font> <a href="binop_2.html#K24">*</a> <font color="Maroon">j</font></span>)</span> <a href="rvsum_1.html#K18" target="_self">|-&gt;</a> <font color="Maroon">z</font></span>)</span>
<b>by </b><i/>
<br/>.= 
<a href="binop_2.html#K29">multcomplex</a>  <a href="finsop_1.html#K2">$$</a> <span class="p1">(<span class="default"><font color="Maroon">j</font> <a href="rvsum_1.html#K18" target="_self">|-&gt;</a> <span class="p2">(<span class="default"><a href="binop_2.html#K29">multcomplex</a>  <a href="finsop_1.html#K2">$$</a> <span class="p3">(<span class="default"><font color="Maroon">i</font> <a href="rvsum_1.html#K18" target="_self">|-&gt;</a> <font color="Maroon">z</font></span>)</span></span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="setwop_2.html#T38">SETWOP_2:38</a></i>
<br/>.= 
 <a href="rvsum_1.html#K17" target="_self">Product</a> <span class="p1">(<span class="default"><font color="Maroon">j</font> <a href="rvsum_1.html#K18" target="_self">|-&gt;</a> <span class="p2">(<span class="default"><a href="binop_2.html#K29">multcomplex</a>  <a href="finsop_1.html#K2">$$</a> <span class="p3">(<span class="default"><font color="Maroon">i</font> <a href="rvsum_1.html#K18" target="_self">|-&gt;</a> <font color="Maroon">z</font></span>)</span></span>)</span></span>)</span>
<b>by </b><i/>
<br/>.= 
 <a href="rvsum_1.html#K17" target="_self">Product</a> <span class="p1">(<span class="default"><font color="Maroon">j</font> <a href="rvsum_1.html#K18" target="_self">|-&gt;</a> <span class="p2">(<span class="default"><a href="rvsum_1.html#K17" target="_self">Product</a> <span class="p3">(<span class="default"><font color="Maroon">i</font> <a href="rvsum_1.html#K18" target="_self">|-&gt;</a> <font color="Maroon">z</font></span>)</span></span>)</span></span>)</span>
<b>by </b><i/>
;<br/>
<b>hence </b><a NAME="E2:123"/>
 <a href="rvsum_1.html#K17" target="_self">Product</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><font color="Maroon">i</font> <a href="binop_2.html#K24">*</a> <font color="Maroon">j</font></span>)</span> <a href="rvsum_1.html#K18" target="_self">|-&gt;</a> <font color="Maroon">z</font></span>)</span> <a href="hidden.html#R1">=</a>  <a href="rvsum_1.html#K17" target="_self">Product</a> <span class="p1">(<span class="default"><font color="Maroon">j</font> <a href="rvsum_1.html#K18" target="_self">|-&gt;</a> <span class="p2">(<span class="default"><a href="rvsum_1.html#K17" target="_self">Product</a> <span class="p3">(<span class="default"><font color="Maroon">i</font> <a href="rvsum_1.html#K18" target="_self">|-&gt;</a> <font color="Maroon">z</font></span>)</span></span>)</span></span>)</span>
 ;<br/>


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