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<b>let </b><font color="Maroon" title="c2">a</font> be   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <span class="p1">(<span class="default"><a href="euclid.html#K15" title="EUCLID:func.15">TOP-REAL</a> <font color="Maroon" title="c1">n</font></span>)</span>; <i><font color="Red">:: according to </font></i><a class="ref" href="monoid_0.html#D2" title="MONOID_0:def.2">MONOID_0:def 2</a><br/>

<b>thus </b><a NAME="E1:44_1_1"/>
<font color="Maroon" title="c2">a</font> is    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> 
 <b>by </b><i><a class="ref" href="euclid.html#T27" target="_self" title="EUCLID:th.27">Th27</a></i>;<br/>


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