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<b>let </b><font color="Maroon">UN</font> be   <a href="classes2.html#NM1">Universe</a>;<br/>

<a NAME="E1:81"/>
 ex <font color="Olive">x</font> being   <a href="hidden.html#M1">set</a>  st <br/>( <font color="Olive">x</font> <a href="hidden.html#R2">in</a> <font color="Maroon">UN</font> &amp;  <a href="grcat_1.html#R1" target="_self">GO</a> <font color="Olive">x</font>, <a href="algstr_1.html#K2">L_Trivial</a>  )
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:81"/>
 <a href="algstr_1.html#K2">L_Trivial</a>  <a href="hidden.html#R2">in</a>  <a href="grcat_1.html#K19" target="_self">GroupObjects</a> <font color="Maroon">UN</font>
 <b>by </b><i/>;<br/>


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