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<b>let </b><font color="Maroon">T</font> be    <a href="pre_topc.html#L1">TopStruct</a> ;<br/><b>let </b><font color="Maroon">b</font> be    <a href="cantor_1.html#M1">Basis</a> of <font color="Maroon">T</font>;<br/>



<a NAME="E1:114"/>
 <a href="card_1.html#K1">Card</a> <font color="Maroon">b</font> <a href="hidden.html#R2">in</a> <span class="p1">{<span class="default"> <span class="p2">(<span class="default"><a href="card_1.html#K1">Card</a> <font color="Olive">B1</font></span>)</span> where <font color="Olive">B1</font> is    <a href="cantor_1.html#M1">Basis</a> of <font color="Maroon">T</font> : verum </span>}</span> 
 
;<br/>
<a NAME="E2:114"/><b>then </b>
 <a href="setfam_1.html#K1">meet</a> <span class="p1">{<span class="default"> <span class="p2">(<span class="default"><a href="card_1.html#K1">Card</a> <font color="Olive">B1</font></span>)</span> where <font color="Olive">B1</font> is    <a href="cantor_1.html#M1">Basis</a> of <font color="Maroon">T</font> : verum </span>}</span>  <a href="tarski.html#R1">c=</a>  <a href="card_1.html#K1">Card</a> <font color="Maroon">b</font>
 
<b>by </b><i><a class="ref" href="setfam_1.html#T4">SETFAM_1:4</a></i>;<br/>
<b>hence </b><a NAME="E3:114"/>
 <a href="waybel23.html#K2" target="_self">weight</a> <font color="Maroon">T</font> <a href="ordinal1.html#R1">c=</a>  <a href="card_1.html#K1">Card</a> <font color="Maroon">b</font>
 ;<br/>


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