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<b>let </b><font color="Maroon">a</font> be   <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><a href="robbins1.html#K8" target="_self">CLatt</a> <font color="Maroon">L</font></span>)</span>, <font color="Maroon">b</font> be   <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><a href="robbins1.html#K8" target="_self">CLatt</a> <font color="Maroon">L</font></span>)</span>; <i><font color="Red">:: according to </font></i><a class="ref" href="lattices.html#D4">LATTICES:def 4</a><br/>

<a NAME="E1:64_1_1"/><i><font color="Green">E27</font></i>: 
the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">L</font> <a href="hidden.html#R1">=</a> the <a href="struct_0.html#U1">carrier</a> of <span class="p1">(<span class="default"><a href="robbins1.html#K8" target="_self">CLatt</a> <font color="Maroon">L</font></span>)</span>
 
<b>by </b><i><a class="ref" href="robbins1.html#T7" target="_self">Th7</a></i>;<br/>
<a NAME="E2:64_1_1"/>
the <a href="lattices.html#U2">L_join</a> of <font color="Maroon">L</font> <a href="funct_2.html#R1">=</a> the <a href="lattices.html#U2">L_join</a> of <span class="p1">(<span class="default"><a href="robbins1.html#K8" target="_self">CLatt</a> <font color="Maroon">L</font></span>)</span>
 
<b>by </b><i><a class="ref" href="robbins1.html#T7" target="_self">Th7</a></i>;<br/>
<b>hence </b><a NAME="E3:64_1_1"/>
<font color="Maroon">a</font> <a href="lattices.html#K1">"\/"</a> <font color="Maroon">b</font> <a href="hidden.html#R1">=</a> <font color="Maroon">b</font> <a href="lattices.html#K1">"\/"</a> <font color="Maroon">a</font>
 <b>by </b><i><a class="ref" href="robbins1.html#T8" target="_self">Th8</a>, <a class="ref" href="binop_1.html#D2">BINOP_1:def 2</a></i>;<br/>


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