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<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="nat_1.html#NM1">Nat</a>;<br/><b>let </b><font color="Maroon">c<sub>2</sub></font>, <font color="Maroon">c<sub>3</sub></font> be    <a href="finseq_2.html#M2">Element</a> of  <a href="complsp1.html#K8" target="_self">COMPLEX</a> <font color="Maroon">c<sub>1</sub></font>;<br/>





<b>assume </b><a NAME="E1:25"/>
 <a href="complsp1.html#K12" target="_self">-</a> <font color="Maroon">c<sub>2</sub></font> <a href="hidden.html#R1">=</a>  <a href="complsp1.html#K12" target="_self">-</a> <font color="Maroon">c<sub>3</sub></font>
 ;<br/>

<b>hence </b><font color="Maroon">c<sub>2</sub></font> = 
 <a href="complsp1.html#K12" target="_self">-</a> <span class="p1">(<span class="default"><a href="complsp1.html#K12" target="_self">-</a> <font color="Maroon">c<sub>3</sub></font></span>)</span>
<b>by </b><i><a class="ref" href="complsp1.html#T32" target="_self">Th32</a></i>
<br/>.= 
<font color="Maroon">c<sub>3</sub></font>
<b>by </b><i><a class="ref" href="complsp1.html#T32" target="_self">Th32</a></i>
;<br/><br/>


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