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<b>let </b><font color="Maroon">G</font> be  non <a href="struct_0.html#V3">empty</a>  <a href="group_1.html#L1">HGrStr</a> ;<br/><b>let </b><font color="Maroon">M</font> be  non <a href="struct_0.html#V3">empty</a>  <a href="vectsp_1.html#L1">multLoopStr</a> ;<br/>



<b>thus </b><a NAME="E1:73"/>
<font color="Maroon">H<sub>2</sub></font>(<font color="Maroon">G</font>) <a href="funct_4.html#NR1" target="_self">&lt;=</a> <font color="Maroon">H<sub>2</sub></font>(<font color="Maroon">G</font>)
 ; <i><font color="Red">:: according to </font></i><a class="ref" href="monoid_0.html#D23" target="_self">MONOID_0:def 23</a><br/>

<b>thus </b><a NAME="E2:73"/>
<font color="Maroon">H<sub>2</sub></font>(<font color="Maroon">M</font>) <a href="funct_4.html#NR1" target="_self">&lt;=</a> <font color="Maroon">H<sub>2</sub></font>(<font color="Maroon">M</font>)
 ; <i><font color="Red">:: according to </font></i><a class="ref" href="monoid_0.html#D25" target="_self">MONOID_0:def 25</a><br/>

<b>thus </b><a NAME="E3:73"/>
the <a href="vectsp_1.html#U1">unity</a> of <font color="Maroon">M</font> <a href="hidden.html#R1">=</a> the <a href="vectsp_1.html#U1">unity</a> of <font color="Maroon">M</font>
 ;<br/>


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