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<b>let </b><font color="Maroon" title="c1">a</font>, <font color="Maroon" title="c2">x</font>, <font color="Maroon" title="c3">y</font> be   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <a href="algstr_1.html#K6" title="ALGSTR_1:func.6">multEX_0</a> ;<br/>

<b>assume </b><a NAME="E1:54"/><i><font color="Green" title="E46">A1</font></i>: 
<font color="Maroon" title="c1">a</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a>  <a href="struct_0.html#K4" title="STRUCT_0:func.4">0.</a> <a href="algstr_1.html#K6" title="ALGSTR_1:func.6">multEX_0</a> 
 ;<br/>

<b>assume </b><a NAME="E2:54"/><i><font color="Green" title="E47">A2</font></i>: 
<font color="Maroon" title="c2">x</font> <a href="group_1.html#K1" title="GROUP_1:func.1">*</a> <font color="Maroon" title="c1">a</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c3">y</font> <a href="group_1.html#K1" title="GROUP_1:func.1">*</a> <font color="Maroon" title="c1">a</font>
 ;<br/>

<b>reconsider </b><font color="Maroon" title="c4">aa</font> = <font color="Maroon" title="c1">a</font>, <font color="Maroon" title="c5">p</font> = <font color="Maroon" title="c2">x</font>, <font color="Maroon" title="c6">q</font> = <font color="Maroon" title="c3">y</font> as   <a href="real_1.html#NM1" title="REAL_1:NM.1">Real</a> ;<br/>
<font color="Maroon" title="c5">p</font> <a href="binop_2.html#K11" title="BINOP_2:func.11">*</a> <font color="Maroon" title="c4">aa</font> = 
<font color="Maroon" title="c3">y</font> <a href="group_1.html#K1" title="GROUP_1:func.1">*</a> <font color="Maroon" title="c1">a</font>
<b>by </b><i><a class="txt" href="algstr_1.html#E2:54"><i><font color="Green" title="E47">A2</font></i></a>, <a class="ref" href="binop_2.html#D11" title="BINOP_2:def.11">BINOP_2:def 11</a></i>
<br/>.= 
<font color="Maroon" title="c6">q</font> <a href="binop_2.html#K11" title="BINOP_2:func.11">*</a> <font color="Maroon" title="c4">aa</font>
<b>by </b><i><a class="ref" href="binop_2.html#D11" title="BINOP_2:def.11">BINOP_2:def 11</a></i>
;<br/>
<b>hence </b><a NAME="E5:54"/>
<font color="Maroon" title="c2">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c3">y</font>
 <b>by </b><i><a class="txt" href="algstr_1.html#E1:54"><i><font color="Green" title="E46">A1</font></i></a>, <a class="ref" href="xcmplx_1.html#T5" title="XCMPLX_1:th.5">XCMPLX_1:5</a></i>;<br/>


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