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<b>let </b><font color="Maroon" title="c1">UN</font> be   <a href="classes2.html#NM1" title="CLASSES2:NM.1">Universe</a>;<br/>

<a NAME="E1:57"/>
 ex <font color="Olive" title="b1">x</font> being   <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a>  st <br/>( <font color="Olive" title="b1">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c1">UN</font> &amp;  <a href="ringcat1.html#R2" title="RINGCAT1:pred.2">GO</a> <font color="Olive" title="b1">x</font>, <a href="mod_2.html#K18" title="MOD_2:func.18">Z3</a>  )
 
<b>by </b><i><a class="ref" href="ringcat1.html#T21" target="_self" title="RINGCAT1:th.21">Th21</a></i>;<br/>
<b>hence </b><a NAME="E2:57"/>
 <a href="mod_2.html#K18" title="MOD_2:func.18">Z3</a>  <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="ringcat1.html#K9" title="RINGCAT1:func.9">RingObjects</a> <font color="Maroon" title="c1">UN</font>
 <b>by </b><i><a class="ref" href="ringcat1.html#D17" target="_self" title="RINGCAT1:def.17">Def17</a></i>;<br/>


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