<?xml version="1.0"?>
<div class="add">

<b>let </b><font color="Maroon">T</font> be  non <a href="struct_0.html#V3">empty</a>  <a href="orders_2.html#L1">RelStr</a> ;<br/><b>let </b><font color="Maroon">A</font> be   <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">T</font>;<br/><b>let </b><font color="Maroon">B</font> be   <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">T</font>;<br/><b>let </b><font color="Maroon">n</font> be    <a href="subset_1.html#M2">Element</a> of  <a href="numbers.html#K5">NAT</a> ;<br/>







<span class="p1">(<span class="default"><a href="fintopo3.html#K3" target="_self">Fcl</a> <font color="Maroon">A</font>,<font color="Maroon">n</font></span>)</span> <a href="subset_1.html#K4">\/</a> <span class="p1">(<span class="default"><a href="fintopo3.html#K3" target="_self">Fcl</a> <font color="Maroon">B</font>,<font color="Maroon">n</font></span>)</span> = 
 <a href="fintopo3.html#K3" target="_self">Fcl</a> <span class="p1">(<span class="default"><font color="Maroon">A</font> <a href="subset_1.html#K4">\/</a> <font color="Maroon">B</font></span>)</span>,<font color="Maroon">n</font>
<b>by </b><i/>
<br/>.= 
<span class="p1">(<span class="default"><a href="fintopo3.html#K5" target="_self">Fint</a> <span class="p2">(<span class="default"><span class="p3">(<span class="default"><font color="Maroon">A</font> <a href="subset_1.html#K4">\/</a> <font color="Maroon">B</font></span>)</span> <a href="subset_1.html#K3">`</a> </span>)</span>,<font color="Maroon">n</font></span>)</span> <a href="subset_1.html#K3">`</a> 
<b>by </b><i/>
;<br/>
<b>hence </b><a NAME="E2:30"/>
<span class="p1">(<span class="default"><a href="fintopo3.html#K3" target="_self">Fcl</a> <font color="Maroon">A</font>,<font color="Maroon">n</font></span>)</span> <a href="subset_1.html#K4">\/</a> <span class="p1">(<span class="default"><a href="fintopo3.html#K3" target="_self">Fcl</a> <font color="Maroon">B</font>,<font color="Maroon">n</font></span>)</span> <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><a href="fintopo3.html#K5" target="_self">Fint</a> <span class="p2">(<span class="default"><span class="p3">(<span class="default"><font color="Maroon">A</font> <a href="subset_1.html#K4">\/</a> <font color="Maroon">B</font></span>)</span> <a href="subset_1.html#K3">`</a> </span>)</span>,<font color="Maroon">n</font></span>)</span> <a href="subset_1.html#K3">`</a> 
 ;<br/>


</div>
