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<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="clvect_1.html#NM1">VECTOR</a> of <a href="csspace.html#K20">Complex_l2_Space</a> ;<br/>

 <a href="rlvect_1.html#K5">-</a> <font color="Maroon">c<sub>1</sub></font> = 
<span class="p1">(<span class="default"><a href="complex1.html#K10">-</a> <a href="complex1.html#K6">1r</a> </span>)</span> <a href="clvect_1.html#K1">*</a> <font color="Maroon">c<sub>1</sub></font>
<b>by </b><i><a class="ref" href="clvect_1.html#T4">CLVECT_1:4</a></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">(#)</a> <span class="p1">(<span class="default"><a href="csspace.html#K2">seq_id</a> <font color="Maroon">c<sub>1</sub></font></span>)</span>
<b>by </b><i><a class="txt" href="csspace2.html#E14"><i><font color="Green">Lemma14</font></i></a></i>
<br/>.= 
 <a href="comseq_1.html#K5">-</a> <span class="p1">(<span class="default"><a href="csspace.html#K2">seq_id</a> <font color="Maroon">c<sub>1</sub></font></span>)</span>
<b>by </b><i><a class="ref" href="comseq_1.html#T14">COMSEQ_1:14</a></i>
;<br/>
<b>hence </b><a NAME="E2:15"/>
(  <a href="rlvect_1.html#K5">-</a> <font color="Maroon">c<sub>1</sub></font> <a href="hidden.html#R1">=</a>  <a href="comseq_1.html#K5">-</a> <span class="p1">(<span class="default"><a href="csspace.html#K2">seq_id</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> &amp;  <a href="csspace.html#K2">seq_id</a> <span class="p1">(<span class="default"><a href="rlvect_1.html#K5">-</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="funct_2.html#R2">=</a>  <a href="comseq_1.html#K5">-</a> <span class="p1">(<span class="default"><a href="csspace.html#K2">seq_id</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> )
 <b>by </b><i><a class="txt" href="csspace2.html#E12"><i><font color="Green">Lemma12</font></i></a></i>;<br/>


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