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<b>let </b><font color="Maroon">c<sub>1</sub></font>, <font color="Maroon">c<sub>2</sub></font> be    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K2">COMPLEX</a> ;<br/>



 <a href="sin_cos.html#K18" target="_self">exp</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>1</sub></font> <a href="complex1.html#K8">+</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> = 
<a href="sin_cos.html#K16" target="_self">exp</a>  <a href="funct_1.html#K1">.</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>1</sub></font> <a href="complex1.html#K8">+</a> <font color="Maroon">c<sub>2</sub></font></span>)</span>

<br/>.= 
 <a href="comseq_3.html#K8">Sum</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><font color="Maroon">c<sub>1</sub></font> <a href="complex1.html#K8">+</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> <a href="sin_cos.html#K6" target="_self">ExpSeq</a> </span>)</span>
<b>by </b><i><a class="ref" href="sin_cos.html#D18" target="_self">Def18</a></i>
<br/>.= 
<span class="p1">(<span class="default"><a href="comseq_3.html#K8">Sum</a> <span class="p2">(<span class="default"><font color="Maroon">c<sub>1</sub></font> <a href="sin_cos.html#K6" target="_self">ExpSeq</a> </span>)</span></span>)</span> <a href="complex1.html#K9">*</a> <span class="p1">(<span class="default"><a href="comseq_3.html#K8">Sum</a> <span class="p2">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="sin_cos.html#K6" target="_self">ExpSeq</a> </span>)</span></span>)</span>
<b>by </b><i><a class="txt" href="sin_cos.html#E42"><i><font color="Green">Lemma36</font></i></a></i>
<br/>.= 
<span class="p1">(<span class="default"><a href="sin_cos.html#K18" target="_self">exp</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="complex1.html#K9">*</a> <span class="p1">(<span class="default"><a href="comseq_3.html#K8">Sum</a> <span class="p2">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="sin_cos.html#K6" target="_self">ExpSeq</a> </span>)</span></span>)</span>
<b>by </b><i><a class="txt" href="sin_cos.html#E45"><i><font color="Green">Lemma38</font></i></a></i>
<br/>.= 
<span class="p1">(<span class="default"><a href="sin_cos.html#K18" target="_self">exp</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="complex1.html#K9">*</a> <span class="p1">(<span class="default"><a href="sin_cos.html#K18" target="_self">exp</a> <font color="Maroon">c<sub>2</sub></font></span>)</span>
<b>by </b><i><a class="txt" href="sin_cos.html#E45"><i><font color="Green">Lemma38</font></i></a></i>
;<br/>
<b>hence </b><a NAME="E2:47"/>
 <a href="sin_cos.html#K18" target="_self">exp</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>1</sub></font> <a href="complex1.html#K8">+</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><a href="sin_cos.html#K18" target="_self">exp</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="complex1.html#K9">*</a> <span class="p1">(<span class="default"><a href="sin_cos.html#K18" target="_self">exp</a> <font color="Maroon">c<sub>2</sub></font></span>)</span>
 ;<br/>


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