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<b>let </b><font color="Maroon" title="c1">a</font>, <font color="Maroon" title="c2">b</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="E1:51"/><i><font color="Green" title="E43">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>reconsider </b><font color="Maroon" title="c3">p</font> = <font color="Maroon" title="c1">a</font>, <font color="Maroon" title="c4">q</font> = <font color="Maroon" title="c2">b</font> as   <a href="real_1.html#NM1" title="REAL_1:NM.1">Real</a> ;<br/>
<b>consider </b><font color="Maroon" title="c5">r</font> being   <a href="real_1.html#NM1" title="REAL_1:NM.1">Real</a><b> such that </b><br/><a NAME="E4:51"/><i><font color="Green" title="E44">A2</font></i>: 
<font color="Maroon" title="c3">p</font> <a href="binop_2.html#K11" title="BINOP_2:func.11">*</a> <font color="Maroon" title="c5">r</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c4">q</font>
 <b>by </b><i><a class="txt" href="algstr_1.html#E1:51"><i><font color="Green" title="E43">A1</font></i></a>, <a class="ref" href="algstr_1.html#T32" target="_self" title="ALGSTR_1:th.32">Th32</a></i>;<br/>
<b>reconsider </b><font color="Maroon" title="c6">x</font> = <font color="Maroon" title="c5">r</font> as   <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/>
<a NAME="E6:51"/>
<font color="Maroon" title="c1">a</font> <a href="group_1.html#K1" title="GROUP_1:func.1">*</a> <font color="Maroon" title="c6">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c2">b</font>
 
<b>by </b><i><a class="txt" href="algstr_1.html#E4:51"><i><font color="Green" title="E44">A2</font></i></a>, <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="E7:51"/>
 ex <font color="Olive" title="b1">x</font> being  <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>  st <font color="Maroon" title="c1">a</font> <a href="group_1.html#K1" title="GROUP_1:func.1">*</a> <font color="Olive" title="b1">x</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c2">b</font>
 ;<br/>


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