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<b>let </b><font color="Maroon">seq</font> be   <a href="comseq_1.html#NM1">Complex_Sequence</a>;<br/>

<b>assume </b><a NAME="E1:56"/><i><font color="Green">E32</font></i>: 
<font color="Maroon">seq</font> is <a href="comseq_1.html#V1" target="_self">non-zero</a>
 ;<br/>

<a NAME="E2:56"/><i><font color="Green">E33</font></i>: 
<span class="p1">(<span class="default"><a href="xcmplx_0.html#K4">-</a> 1</span>)</span> <a href="xcmplx_0.html#K5">"</a>  <a href="hidden.html#R1">=</a>  <a href="xcmplx_0.html#K4">-</a> 1
 
;<br/>
<b>thus </b><span class="p1">(<span class="default"><a href="comseq_1.html#K5" target="_self">-</a> <font color="Maroon">seq</font></span>)</span> <a href="comseq_1.html#K7" target="_self">"</a>  = 
<span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="complex1.html#K10">-</a> <a href="complex1.html#K6">1r</a> </span>)</span> <a href="comseq_1.html#K4" target="_self">(#)</a> <font color="Maroon">seq</font></span>)</span> <a href="comseq_1.html#K7" target="_self">"</a> 
<b>by </b><i/>
<br/>.= 
<span class="p1">(<span class="default"><a href="complex1.html#K10">-</a> <a href="complex1.html#K6">1r</a> </span>)</span> <a href="comseq_1.html#K4" target="_self">(#)</a> <span class="p1">(<span class="default"><font color="Maroon">seq</font> <a href="comseq_1.html#K7" target="_self">"</a> </span>)</span>
<b>by </b><i>, , , <a class="ref" href="complex1.html#D7">COMPLEX1:def 7</a></i>
;<br/>


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