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<b>let </b><font color="Maroon">G</font> be  <a href="group_1.html#V1">strict</a> <a href="group_1.html#NM1">Group</a>;<br/>

<b>assume </b><a NAME="E1:19"/>
<font color="Maroon">G</font> is <a href="realset2.html#V3">trivial</a>
 ;<br/>

<a NAME="E2:19"/><b>then </b><i><font color="Green">E45</font></i>: 
(  <a href="group_1.html#K9">ord</a> <font color="Maroon">G</font> <a href="hidden.html#R1">=</a> 1 &amp; <font color="Maroon">G</font> is <a href="group_1.html#V6">finite</a> )
 
<b>by </b><i/>;<br/>
<a NAME="E3:19"/><b>then </b>
 <a href="group_1.html#K9">ord</a> <font color="Maroon">G</font> <a href="hidden.html#R1">=</a>  <a href="group_1.html#K9">ord</a> <span class="p1">(<span class="default"><a href="group_2.html#K5">(1).</a> <font color="Maroon">G</font></span>)</span>
 
<b>by </b><i><a class="ref" href="group_2.html#T81">GROUP_2:81</a></i>;<br/>
<b>hence </b><a NAME="E4:19"/>
<font color="Maroon">G</font> <a href="hidden.html#R1">=</a>  <a href="group_2.html#K5">(1).</a> <font color="Maroon">G</font>
 <b>by </b><i>, <a class="ref" href="group_2.html#T85">GROUP_2:85</a></i>;<br/>


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