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<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="card_1.html#NM1">Cardinal</a>;<br/>

<b>thus </b> <a href="card_2.html#K3" target="_self">exp</a> <font color="Maroon">c<sub>1</sub></font>,0 = 
 <a href="card_1.html#K1">Card</a> <span class="p1">(<span class="default"><a href="funct_2.html#K1">Funcs</a> <a href="xboole_0.html#K1">{}</a> ,<font color="Maroon">c<sub>1</sub></font></span>)</span>

<br/>.= 
 <a href="card_1.html#K1">Card</a> <span class="p1"><a href="tarski.html#K1">{</a><span class="default"><a href="xboole_0.html#K1">{}</a> </span><a href="tarski.html#K1">}</a></span>
<b>by </b><i><a class="ref" href="funct_5.html#T64">FUNCT_5:64</a></i>
<br/>.= 
1
<b>by </b><i><a class="ref" href="card_1.html#T50">CARD_1:50</a></i>
;<br/>


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