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<b>let </b><font color="Maroon" title="c1">F</font> be   <a href="card_3.html#NM1" title="CARD_3:NM.1">Cardinal-Function</a>;<br/>

<a NAME="E1:51"/>
 <a href="card_3.html#K1" title="CARD_3:func.1">Card</a> <font color="Maroon" title="c1">F</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">F</font>
 
<b>by </b><i><a class="ref" href="card_3.html#T8" target="_self" title="CARD_3:th.8">Th8</a></i>;<br/>
<b>hence </b><a NAME="E2:51"/>
 <a href="card_1.html#K1" title="CARD_1:func.1">Card</a> <span class="p1">(<span class="default"><a href="card_3.html#K3" title="CARD_3:func.3">Union</a> <font color="Maroon" title="c1">F</font></span>)</span> <a href="card_1.html#NR1" title="CARD_1:NR.1">&lt;=`</a>  <a href="card_3.html#K6" title="CARD_3:func.6">Sum</a> <font color="Maroon" title="c1">F</font>
 <b>by </b><i><a class="ref" href="card_3.html#T54" target="_self" title="CARD_3:th.54">Th54</a></i>;<br/>


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