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<a NAME="E1:9_1_1"/><i><font color="Green">E44</font></i>: 
<font color="Maroon">n</font> is <a href="finset_1.html#V1">finite</a>
 
<b>by </b><i><a class="ref" href="card_1.html#T69">CARD_1:69</a></i>;<br/>
<a NAME="E2:9_1_1"/>
<font color="Maroon">n</font>, <a href="calcul_2.html#K2" target="_self">seq</a> <font color="Maroon">m</font>,<font color="Maroon">n</font> <a href="wellord2.html#R2">are_equipotent</a> 
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E3:9_1_1"/>
 <a href="calcul_2.html#K2" target="_self">seq</a> <font color="Maroon">m</font>,<font color="Maroon">n</font> is <a href="finset_1.html#V1">finite</a>
 <b>by </b><i>, <a class="ref" href="card_1.html#T68">CARD_1:68</a></i>;<br/>


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