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<a NAME="E1:122_1_1"/>
for <font color="Olive">a</font> being  <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">G</font> holds  <span class="p1">(<span class="default"><a href="group_2.html#K5">(1).</a> <font color="Maroon">G</font></span>)</span> <a href="group_3.html#K6" target="_self">|^</a> <font color="Olive">a</font> <a href="group_2.html#R1">=</a>  <a href="group_2.html#K5">(1).</a> <font color="Maroon">G</font>
 
<b>by </b><i/>;<br/>
<a NAME="E2:122_1_1"/><b>then </b>
 <a href="group_2.html#K5">(1).</a> <font color="Maroon">G</font> is <a href="group_3.html#V1" target="_self">normal</a>
 
<b>by </b><i><a class="ref" href="group_3.html#T44" target="_self">Th44</a></i>;<br/>
<b>hence </b><a NAME="E3:122_1_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being   <a href="group_2.html#M1">Subgroup</a> of <font color="Maroon">G</font> st <br/>( <font color="Olive">b<sub>1</sub></font> is <a href="group_1.html#V1">strict</a> &amp; <font color="Olive">b<sub>1</sub></font> is <a href="group_3.html#V1" target="_self">normal</a> )
 ;<br/>


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