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<b>let </b><font color="Maroon">G</font> be   <a href="group_1.html#NM1">Group</a>;<br/><b>let </b><font color="Maroon">N1</font> be  <a href="group_1.html#V1">strict</a> <a href="group_3.html#V1" target="_self">normal</a>  <a href="group_2.html#M1">Subgroup</a> of <font color="Maroon">G</font>, <font color="Maroon">N2</font> be  <a href="group_1.html#V1">strict</a> <a href="group_3.html#V1" target="_self">normal</a>  <a href="group_2.html#M1">Subgroup</a> of <font color="Maroon">G</font>;<br/><b>let </b><font color="Maroon">a</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">G</font>; <i><font color="Red">:: according to </font></i><a class="ref" href="group_3.html#D13" target="_self">GROUP_3:def 13</a><br/>





<b>thus </b><span class="p1">(<span class="default"><font color="Maroon">N1</font> <a href="group_2.html#K9">/\</a> <font color="Maroon">N2</font></span>)</span> <a href="group_3.html#K6" target="_self">|^</a> <font color="Maroon">a</font> = 
<span class="p1">(<span class="default"><font color="Maroon">N1</font> <a href="group_3.html#K6" target="_self">|^</a> <font color="Maroon">a</font></span>)</span> <a href="group_2.html#K9">/\</a> <span class="p1">(<span class="default"><font color="Maroon">N2</font> <a href="group_3.html#K6" target="_self">|^</a> <font color="Maroon">a</font></span>)</span>
<b>by </b><i/>
<br/>.= 
<font color="Maroon">N1</font> <a href="group_2.html#K9">/\</a> <span class="p1">(<span class="default"><font color="Maroon">N2</font> <a href="group_3.html#K6" target="_self">|^</a> <font color="Maroon">a</font></span>)</span>
<b>by </b><i><a class="ref" href="group_3.html#T44" target="_self">Th44</a></i>
<br/>.= 
 <a href="group_1.html#G1">HGrStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <span class="p1">(<span class="default"><font color="Maroon">N1</font> <a href="group_2.html#K9">/\</a> <font color="Maroon">N2</font></span>)</span>,the <a href="group_1.html#U1">mult</a> of <span class="p1">(<span class="default"><font color="Maroon">N1</font> <a href="group_2.html#K9">/\</a> <font color="Maroon">N2</font></span>)</span> #)
<b>by </b><i><a class="ref" href="group_3.html#T44" target="_self">Th44</a></i>
;<br/>


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