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<b>consider </b><font color="Maroon">X</font> being    <a href="hidden.html#M1">set</a> ;<br/>
<a NAME="E2:60_1_1"/>
(  <a href="lattice3.html#K1" target="_self">BooleLatt</a> <font color="Maroon">X</font> is <a href="lattice3.html#V4" target="_self">complete</a> &amp;  <a href="lattice3.html#K1" target="_self">BooleLatt</a> <font color="Maroon">X</font> is <a href="lattice3.html#V5" target="_self">\/-distributive</a> &amp;  <a href="lattice3.html#K1" target="_self">BooleLatt</a> <font color="Maroon">X</font> is <a href="lattice3.html#V6" target="_self">/\-distributive</a> )
 
<b>by </b><i>, </i>;<br/>
<b>hence </b><a NAME="E3:60_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="lattice3.html#V4" target="_self">complete</a> &amp; <font color="Olive">b<sub>1</sub></font> is <a href="lattice3.html#V5" target="_self">\/-distributive</a> &amp; <font color="Olive">b<sub>1</sub></font> is <a href="lattice3.html#V6" target="_self">/\-distributive</a> &amp; <font color="Olive">b<sub>1</sub></font> is <a href="lattices.html#V3">strict</a> )
 ;<br/>


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