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<b>let </b><font color="Maroon">x</font> be    <a href="finseq_1.html#M2">FinSequence</a> of  <a href="numbers.html#K2">COMPLEX</a> ;<br/>

<a NAME="E1:9"/>
 <a href="relat_1.html#K1">dom</a> <a href="binop_2.html#K25">compcomplex</a>  <a href="hidden.html#R1">=</a>  <a href="numbers.html#K2">COMPLEX</a> 
 
<b>by </b><i><a class="ref" href="funct_2.html#D1">FUNCT_2:def 1</a></i>;<br/>
<a NAME="E2:9"/><b>then </b>
 <a href="relat_1.html#K2">rng</a> <font color="Maroon">x</font> <a href="tarski.html#R1">c=</a>  <a href="relat_1.html#K1">dom</a> <a href="binop_2.html#K25">compcomplex</a> 
 
<b>by </b><i><a class="ref" href="finseq_1.html#D4">FINSEQ_1:def 4</a></i>;<br/>
<b>hence </b> <a href="finseq_1.html#K4">dom</a> <font color="Maroon">x</font> = 
 <a href="finseq_1.html#K4">dom</a> <span class="p1">(<span class="default"><a href="binop_2.html#K25">compcomplex</a>  <a href="finseqop.html#K5">*</a> <font color="Maroon">x</font></span>)</span>
<b>by </b><i><a class="ref" href="relat_1.html#T46">RELAT_1:46</a></i>
<br/>.= 
 <a href="finseq_1.html#K4">dom</a> <span class="p1">(<span class="default"><a href="complsp1.html#K5">-</a> <font color="Maroon">x</font></span>)</span>
<b>by </b><i><a class="ref" href="complsp1.html#D9">COMPLSP1:def 9</a></i>
;<br/><br/>


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