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<b>let </b><font color="Maroon">BL</font> be  <a href="lattices.html#V17">Boolean</a> <a href="lattices.html#NM1">Lattice</a>;<br/><b>let </b><font color="Maroon">b</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">BL</font>;<br/><b>let </b><font color="Maroon">B</font> be   <a href="finsub_1.html#NM1">Finite_Subset</a> of the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">BL</font>;<br/>





<b>thus </b> <a href="lattice2.html#K2">FinJoin</a> <span class="p1">(<span class="default"><font color="Maroon">B</font> <a href="setwiseo.html#K5">\/</a> <span class="p2"><a href="setwiseo.html#K2">{.</a><span class="default"><font color="Maroon">b</font></span><a href="setwiseo.html#K2">.}</a></span></span>)</span>,<span class="p1">(<span class="default"><a href="lattice4.html#K5" target="_self">comp</a> <font color="Maroon">BL</font></span>)</span> = 
<span class="p1">(<span class="default"><a href="lattice2.html#K2">FinJoin</a> <font color="Maroon">B</font>,<span class="p2">(<span class="default"><a href="lattice4.html#K5" target="_self">comp</a> <font color="Maroon">BL</font></span>)</span></span>)</span> <a href="lattices.html#K3">"\/"</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="lattice4.html#K5" target="_self">comp</a> <font color="Maroon">BL</font></span>)</span> <a href="funct_2.html#K3">.</a> <font color="Maroon">b</font></span>)</span>
<b>by </b><i/>
<br/>.= 
<span class="p1">(<span class="default"><a href="lattice2.html#K2">FinJoin</a> <font color="Maroon">B</font>,<span class="p2">(<span class="default"><a href="lattice4.html#K5" target="_self">comp</a> <font color="Maroon">BL</font></span>)</span></span>)</span> <a href="lattices.html#K3">"\/"</a> <span class="p1">(<span class="default"><font color="Maroon">b</font> <a href="lattices.html#K7">`</a> </span>)</span>
<b>by </b><i><a class="ref" href="lattice4.html#D2" target="_self">Def2</a></i>
;<br/>


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