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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">H1</font> be    <a href="group_2.html#M1">Subgroup</a> of <font color="Maroon">G</font>;<br/><b>let </b><font color="Maroon">H2</font> be    <a href="group_2.html#M1">Subgroup</a> of <font color="Maroon">G</font>;<br/><b>let </b><font color="Maroon">H3</font> be    <a href="group_2.html#M1">Subgroup</a> of <font color="Maroon">G</font>;<br/>







<b>thus </b><span class="p1">(<span class="default"><font color="Maroon">H1</font> <a href="group_4.html#K7" target="_self">*</a> <font color="Maroon">H2</font></span>)</span> <a href="group_2.html#K10">*</a> <font color="Maroon">H3</font> = 
<span class="p1">(<span class="default"><a href="group_2.html#K7">carr</a> <font color="Maroon">H1</font></span>)</span> <a href="group_2.html#K2">*</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="group_2.html#K7">carr</a> <font color="Maroon">H2</font></span>)</span> <a href="group_2.html#K10">*</a> <font color="Maroon">H3</font></span>)</span>
<b>by </b><i><a class="ref" href="group_2.html#T116">GROUP_2:116</a></i>
<br/>.= 
<font color="Maroon">H1</font> <a href="group_2.html#K11">*</a> <span class="p1">(<span class="default"><font color="Maroon">H2</font> <a href="group_4.html#K7" target="_self">*</a> <font color="Maroon">H3</font></span>)</span>

;<br/>


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