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<b>let </b><font color="Maroon">L</font> be   <a href="lattices.html#NM1">Lattice</a>;<br/>

<b>assume </b><a NAME="E1:59_1_1"/><i><font color="Green">E34</font></i>: 
<font color="Maroon">L</font> is <a href="lattices.html#V11" target="_self">distributive</a>
 ;<br/>

<b>let </b><font color="Maroon">a</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">L</font>, <font color="Maroon">b</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">L</font>, <font color="Maroon">c</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">L</font>; <i><font color="Red">:: according to </font></i><a class="ref" href="lattices.html#D12" target="_self">LATTICES:def 12</a><br/>

<b>assume </b><a NAME="E2:59_1_1"/>
<font color="Maroon">a</font> <a href="lattices.html#K3" target="_self">"\/"</a> <font color="Maroon">c</font> <a href="hidden.html#R1">=</a> <font color="Maroon">c</font>
 ; <i><font color="Red">:: according to </font></i><a class="ref" href="lattices.html#D3" target="_self">LATTICES:def 3</a><br/>

<b>hence </b><a NAME="E3:59_1_1"/>
<font color="Maroon">a</font> <a href="lattices.html#K3" target="_self">"\/"</a> <span class="p1">(<span class="default"><font color="Maroon">b</font> <a href="lattices.html#K4" target="_self">"/\"</a> <font color="Maroon">c</font></span>)</span> <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><font color="Maroon">a</font> <a href="lattices.html#K3" target="_self">"\/"</a> <font color="Maroon">b</font></span>)</span> <a href="lattices.html#K4" target="_self">"/\"</a> <font color="Maroon">c</font>
 <b>by </b><i><a class="txt" href="lattices.html#E1:59_1_1"><i><font color="Green">E34</font></i></a>, <a class="ref" href="lattices.html#D10" target="_self">Def10</a></i>;<br/>


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