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<b>reconsider </b><font color="Maroon" title="c2">z'</font> = <font color="Maroon" title="c1">z</font> as    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of  <a href="numbers.html#K2" title="NUMBERS:func.2">COMPLEX</a>  <b>by </b><i><a class="ref" href="xcmplx_0.html#D2" title="XCMPLX_0:def.2">XCMPLX_0:def 2</a></i>;<br/>
<a NAME="E2:45_1_1"/>
<a href="sin_cos.html#K16" title="SIN_COS:func.16">exp</a>  <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c1">z</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="comseq_3.html#K8" title="COMSEQ_3:func.8">Sum</a> <span class="p1">(<span class="default"><font color="Maroon" title="c2">z'</font> <a href="sin_cos.html#K6" title="SIN_COS:func.6">ExpSeq</a> </span>)</span>
 
<b>by </b><i><a class="ref" href="sin_cos.html#D18" target="_self" title="SIN_COS:def.18">Def18</a></i>;<br/>
<b>hence </b><a NAME="E3:45_1_1"/>
<a href="sin_cos.html#K16" title="SIN_COS:func.16">exp</a>  <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c1">z</font> is  <a href="xcmplx_0.html#V1" title="XCMPLX_0:attr.1">complex</a>  <a href="ordinal1.html#NM1" title="ORDINAL1:NM.1">number</a> 
 ;<br/>


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