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<b>let </b><font color="Maroon">n</font> be    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K5">NAT</a> ;<br/><b>let </b><font color="Maroon">z</font> be    <a href="finseq_2.html#M2">Element</a> of  <a href="complsp1.html#K8" target="_self">COMPLEX</a> <font color="Maroon">n</font>;<br/>



<a NAME="E1:50"/><i><font color="Green">E59</font></i>: 
 <a href="relat_1.html#K2">rng</a> <font color="Maroon">z</font> <a href="tarski.html#R1">c=</a>  <a href="numbers.html#K2">COMPLEX</a> 
 
<b>by </b><i><a class="ref" href="finseq_1.html#D4">FINSEQ_1:def 4</a></i>;<br/>
<b>thus </b><a href="complex1.html#K6">1r</a>  <a href="complsp1.html#K14" target="_self">*</a> <font color="Maroon">z</font> = 
<span class="p1">(<span class="default"><a href="partfun1.html#K6">id</a> <a href="numbers.html#K2">COMPLEX</a> </span>)</span> <a href="finseqop.html#K5">*</a> <font color="Maroon">z</font>
<b>by </b><i>, <a class="ref" href="finseqop.html#T45">FINSEQOP:45</a></i>
<br/>.= 
<font color="Maroon">z</font>
<b>by </b><i><a class="txt" href="complsp1.html#E23"><i><font color="Green">Lemma43</font></i></a>, <a class="ref" href="relat_1.html#T79">RELAT_1:79</a></i>
;<br/>


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