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<b>set </b><font color="Maroon" title="c4">M</font> =  <a href="msualg_1.html#G3" title="MSUALG_1:aggr.3">MSAlgebra</a>(# <font color="Maroon" title="c3">A</font>,<span class="p1">(<span class="default"><a href="msualg_2.html#K4" title="MSUALG_2:func.4">Opers</a> <font color="Maroon" title="c2">OU0</font>,<font color="Maroon" title="c3">A</font></span>)</span> #);<br/>
<a NAME="E1:54_1_1"/><i><font color="Green" title="E32">A1</font></i>: 
<font color="Maroon" title="c2">OU0</font> <a href="msualg_2.html#K10" title="MSUALG_2:func.10">|</a> <font color="Maroon" title="c3">A</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="msualg_1.html#G3" title="MSUALG_1:aggr.3">MSAlgebra</a>(# <font color="Maroon" title="c3">A</font>,<span class="p1">(<span class="default"><a href="msualg_2.html#K4" title="MSUALG_2:func.4">Opers</a> <font color="Maroon" title="c2">OU0</font>,<font color="Maroon" title="c3">A</font></span>)</span> #)
 
<b>by </b><i><a class="ref" href="msualg_2.html#D16" title="MSUALG_2:def.16">MSUALG_2:def 16</a></i>;<br/>
<a NAME="E2:54_1_1"/>
<font color="Maroon" title="c3">A</font> is   <a href="osalg_1.html#NM4" title="OSALG_1:NM.4">OrderSortedSet</a> of <font color="Maroon" title="c1">S1</font>
 
<b>by </b><i><a class="ref" href="osalg_2.html#D2" target="_self" title="OSALG_2:def.2">Def2</a></i>;<br/>
<b>hence </b><a NAME="E3:54_1_1"/>
<font color="Maroon" title="c2">OU0</font> <a href="msualg_2.html#K10" title="MSUALG_2:func.10">|</a> <font color="Maroon" title="c3">A</font> is <a href="osalg_1.html#V12" title="OSALG_1:attr.12">order-sorted</a>
 <b>by </b><i><a class="txt" href="osalg_2.html#E1:54_1_1"><i><font color="Green" title="E32">A1</font></i></a>, <a class="ref" href="osalg_1.html#T17" title="OSALG_1:th.17">OSALG_1:17</a></i>;<br/>


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