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<b>let </b><font color="Maroon" title="c1">T</font> be  non <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a>  <a href="orders_2.html#L1" title="ORDERS_2:struct.1">RelStr</a> ;<br/><b>let </b><font color="Maroon" title="c2">A</font> be   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <font color="Maroon" title="c1">T</font>;<br/>



<b>thus </b> <a href="fintopo3.html#K5" title="FINTOPO3:func.5">Fint</a> <font color="Maroon" title="c2">A</font>,2 = 
 <a href="fintopo3.html#K5" title="FINTOPO3:func.5">Fint</a> <font color="Maroon" title="c2">A</font>,<span class="p1">(<span class="default">1 <a href="nat_1.html#K2" title="NAT_1:func.2">+</a> 1</span>)</span>

<br/>.= 
<span class="p1">(<span class="default"><a href="fintopo3.html#K5" title="FINTOPO3:func.5">Fint</a> <font color="Maroon" title="c2">A</font>,1</span>)</span> <a href="fin_topo.html#K8" title="FIN_TOPO:func.8">^i</a> 
<b>by </b><i><a class="ref" href="fintopo3.html#D4" target="_self" title="FINTOPO3:def.4">Def4</a></i>
<br/>.= 
<span class="p1">(<span class="default"><font color="Maroon" title="c2">A</font> <a href="fin_topo.html#K8" title="FIN_TOPO:func.8">^i</a> </span>)</span> <a href="fin_topo.html#K8" title="FIN_TOPO:func.8">^i</a> 
<b>by </b><i><a class="ref" href="fintopo3.html#T20" target="_self" title="FINTOPO3:th.20">Th20</a></i>
;<br/>


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