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<a href="complex1.html#K6">1r</a>  <a href="complex1.html#K8">+</a> <a href="complex1.html#K6">1r</a>  = 
<span class="p1">(<span class="default">1 <a href="nat_1.html#K1">+</a> 1</span>)</span> <a href="xcmplx_0.html#K2">+</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default">0 <a href="nat_1.html#K1">+</a> 0</span>)</span> <a href="xcmplx_0.html#K3">*</a> <a href="complex1.html#K7">&lt;i&gt;</a> </span>)</span>
<b>by </b><i><a class="ref" href="complex1.html#T15">COMPLEX1:15</a>, <a class="ref" href="complex1.html#D9">COMPLEX1:def 9</a></i>
<br/>.= 
<span class="p1"><a href="arytm_0.html#K5">[*</a><span class="default"><span class="p2">(<span class="default">1 <a href="nat_1.html#K1">+</a> 1</span>)</span>,<span class="p2">(<span class="default">0 <a href="nat_1.html#K1">+</a> 0</span>)</span></span><a href="arytm_0.html#K5">*]</a></span>
<b>by </b><i><a class="ref" href="complex1.html#T27">COMPLEX1:27</a></i>
;<br/>
<b>hence </b><a NAME="E2:28"/>
<a href="complex1.html#K6">1r</a>  <a href="complex1.html#K8">+</a> <a href="complex1.html#K6">1r</a>  <a href="hidden.html#R1">=</a> <span class="p1"><a href="arytm_0.html#K5">[*</a><span class="default">2,0</span><a href="arytm_0.html#K5">*]</a></span>
 ;<br/>


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