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<b>consider </b><font color="Maroon">x</font> being  <a href="group_1.html#V1">strict</a>  <a href="group_2.html#M1">Subgroup</a> of <font color="Maroon">G</font>;<br/>
<a NAME="E2:11_1_1"/>
<font color="Maroon">x</font> <a href="hidden.html#R2">in</a>  <a href="group_3.html#K1" target="_self">Subgroups</a> <font color="Maroon">G</font>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E3:11_1_1"/>
not  <a href="group_3.html#K1" target="_self">Subgroups</a> <font color="Maroon">G</font> is <a href="xboole_0.html#V1">empty</a>
 ;<br/>


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