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<b>let </b><font color="Maroon">z1</font> be   <a href="struct_0.html#NM1">Element</a> of <a href="complfld.html#K1" target="_self">F_Complex</a> ;<br/><b>let </b><font color="Maroon">z2</font> be   <a href="struct_0.html#NM1">Element</a> of <a href="complfld.html#K1" target="_self">F_Complex</a> ;<br/>



<b>reconsider </b><font color="Maroon">z1'</font> = <font color="Maroon">z1</font>, <font color="Maroon">z2'</font> = <font color="Maroon">z2</font> as    <a href="subset_1.html#M1">Element</a> of  <a href="numbers.html#K2">COMPLEX</a>  <b>by </b><i/>;<br/>
<b>assume </b><a NAME="E2:20"/><i><font color="Green">E36</font></i>: 
<font color="Maroon">z1</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a>  <a href="rlvect_1.html#K1">0.</a> <a href="complfld.html#K1" target="_self">F_Complex</a> 
 ;<br/>

<b>assume </b><a NAME="E3:20"/><i><font color="Green">E43</font></i>: 
<font color="Maroon">z2</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a>  <a href="rlvect_1.html#K1">0.</a> <a href="complfld.html#K1" target="_self">F_Complex</a> 
 ;<br/>

<b>assume </b><a NAME="E4:20"/>
<font color="Maroon">z1</font> <a href="vectsp_1.html#K4">"</a>  <a href="hidden.html#R1">=</a> <font color="Maroon">z2</font> <a href="vectsp_1.html#K4">"</a> 
 ;<br/>

<b>then </b><font color="Maroon">z1'</font> <a href="binop_2.html#K2">"</a>  = 
<font color="Maroon">z2</font> <a href="vectsp_1.html#K4">"</a> 
<b>by </b><i>, </i>
<br/>.= 
<font color="Maroon">z2'</font> <a href="binop_2.html#K2">"</a> 
<b>by </b><i>, </i>
;<br/>
<b>hence </b><a NAME="E6:20"/>
<font color="Maroon">z1</font> <a href="hidden.html#R1">=</a> <font color="Maroon">z2</font>
 <b>by </b><i><a class="ref" href="xcmplx_1.html#T202">XCMPLX_1:202</a></i>;<br/>


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