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<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="group_1.html#NM1">Group</a>;<br/><b>let </b><font color="Maroon">c<sub>2</sub></font>, <font color="Maroon">c<sub>3</sub></font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">c<sub>1</sub></font>;<br/><b>let </b><font color="Maroon">c<sub>4</sub></font> be    <a href="group_2.html#M1" target="_self">Subgroup</a> of <font color="Maroon">c<sub>1</sub></font>;<br/>







<a NAME="E1:120"/>
( <font color="Maroon">c<sub>4</sub></font> <a href="group_2.html#K13" target="_self">*</a> <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font> <a href="group_2.html#K12" target="_self">*</a> <font color="Maroon">c<sub>4</sub></font> <a href="wellord2.html#R2">are_equipotent</a>  &amp; <font color="Maroon">c<sub>3</sub></font> <a href="group_2.html#K12" target="_self">*</a> <font color="Maroon">c<sub>4</sub></font>,<font color="Maroon">c<sub>4</sub></font> <a href="group_2.html#K13" target="_self">*</a> <font color="Maroon">c<sub>3</sub></font> <a href="wellord2.html#R2">are_equipotent</a>  )
 
<b>by </b><i><a class="ref" href="group_2.html#T152" target="_self">Th152</a></i>;<br/>
<b>hence </b><a NAME="E2:120"/>
<font color="Maroon">c<sub>4</sub></font> <a href="group_2.html#K13" target="_self">*</a> <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>4</sub></font> <a href="group_2.html#K13" target="_self">*</a> <font color="Maroon">c<sub>3</sub></font> <a href="wellord2.html#R2">are_equipotent</a> 
 <b>by </b><i><a class="ref" href="wellord2.html#T22">WELLORD2:22</a></i>;<br/>


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