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<b>thus </b><a NAME="E1:54_1_1"/>
<font color="Maroon">c<sub>1</sub></font> <a href="monoid_1.html#K5" target="_self">--&gt;</a> <font color="Maroon">c<sub>2</sub></font> is   <a href="monoid_1.html#NM2">Multiset</a> of <font color="Maroon">c<sub>1</sub></font>
 <b>by </b><i><a class="ref" href="monoid_1.html#T28" target="_self">Th28</a></i>;<br/>


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