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

<a NAME="E1:43"/>
 <a href="ordinal1.html#K3">On</a> <font color="Maroon">U</font> <a href="hidden.html#R1">=</a>  <a href="card_1.html#K1">Card</a> <font color="Maroon">U</font>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:43"/>
 <a href="ordinal1.html#K3">On</a> <font color="Maroon">U</font> is   <a href="ordinal1.html#NM2">Ordinal</a>
 ;<br/>


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