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<b>consider </b><font color="Maroon">L</font> being  <a href="lattices.html#V3">strict</a> <a href="lattices.html#NM8">B_Lattice</a>;<br/>
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="36_1_1_1"><b>now </b></a><div class="add"><b>let </b><font color="Maroon">p</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">L</font>, <font color="Maroon">q</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">L</font>;<br/><b>reconsider </b><font color="Maroon">r</font> = <span class="p1">(<span class="default"><font color="Maroon">p</font> <a href="lattices.html#K7">`</a> </span>)</span> <a href="lattices.html#K3">"\/"</a> <font color="Maroon">q</font> as   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">L</font> ;<br/><b>take </b><font color="Maroon">r</font> = <font color="Maroon">r</font>;<br/><b>thus </b><a NAME="E2:36_1_1_1"/>
( <font color="Maroon">p</font> <a href="lattices.html#K4">"/\"</a> <font color="Maroon">r</font> <a href="lattices.html#R3">[=</a> <font color="Maroon">q</font> &amp; ( for <font color="Olive">r1</font> being  <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">L</font>  st <font color="Maroon">p</font> <a href="lattices.html#K4">"/\"</a> <font color="Olive">r1</font> <a href="lattices.html#R3">[=</a> <font color="Maroon">q</font> holds <br/><font color="Olive">r1</font> <a href="lattices.html#R3">[=</a> <font color="Maroon">r</font> ) )
 <b>by </b><i/>;<br/></div><b>end;</b></div>
<a NAME="E3:36_1_1"/><b>then </b>
<font color="Maroon">L</font> is <a href="filter_0.html#V3" target="_self">implicative</a>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E4:36_1_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being  <a href="lattices.html#NM1">Lattice</a> st <br/>( <font color="Olive">b<sub>1</sub></font> is <a href="lattices.html#V3">strict</a> &amp; <font color="Olive">b<sub>1</sub></font> is <a href="filter_0.html#V3" target="_self">implicative</a> )
 ;<br/>


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