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<b>let </b><font color="Maroon">L</font> be   <a href="lattices.html#NM4">0_Lattice</a>;<br/>

<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="64_1"><b>now </b></a><div class="add"><b>let </b><font color="Maroon">u</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">L</font>;<br/><b>thus </b>the <a href="lattices.html#U2">L_join</a> of <font color="Maroon">L</font> <a href="binop_1.html#K2">.</a> <span class="p1">(<span class="default"><a href="lattices.html#K5">Bottom</a> <font color="Maroon">L</font></span>)</span>,<font color="Maroon">u</font> = 
<span class="p1">(<span class="default"><a href="lattices.html#K5">Bottom</a> <font color="Maroon">L</font></span>)</span> <a href="lattices.html#K3">"\/"</a> <font color="Maroon">u</font>

<br/>.= 
<font color="Maroon">u</font>
<b>by </b><i><a class="ref" href="lattices.html#T39">LATTICES:39</a></i>
;<br/></div><b>end;</b></div>
<b>hence </b><a NAME="E2:64"/>
 <a href="lattices.html#K5">Bottom</a> <font color="Maroon">L</font> <a href="binop_1.html#R3">is_a_unity_wrt</a> the <a href="lattices.html#U2">L_join</a> of <font color="Maroon">L</font>
 <b>by </b><i><a class="ref" href="binop_1.html#T12">BINOP_1:12</a></i>;<br/>


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