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<b>consider </b><font color="Maroon" title="c1">O</font>, <font color="Maroon" title="c2">A</font> being  non <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>  <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/>
<b>consider </b><font color="Maroon" title="c3">I</font> being    <a href="relset_1.html#M2" title="RELSET_1:mode.2">Relation</a> of <font color="Maroon" title="c1">O</font>,<font color="Maroon" title="c2">A</font>;<br/>
<a NAME="E3:6_2_1"/>
not  <a href="conlat_1.html#G2" title="CONLAT_1:aggr.2">ContextStr</a>(# <font color="Maroon" title="c1">O</font>,<font color="Maroon" title="c2">A</font>,<font color="Maroon" title="c3">I</font> #) is <a href="conlat_1.html#V3" title="CONLAT_1:attr.3">quasi-empty</a>
 
<b>by </b><i><a class="ref" href="conlat_1.html#D2" target="_self" title="CONLAT_1:def.2">Def2</a></i>;<br/>
<b>hence </b><a NAME="E4:6_2_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being   <a href="conlat_1.html#L2" title="CONLAT_1:struct.2">ContextStr</a>  st <br/>( <font color="Olive">b<sub>1</sub></font> is <a href="conlat_1.html#V4" title="CONLAT_1:attr.4">strict</a> &amp; not <font color="Olive">b<sub>1</sub></font> is <a href="conlat_1.html#V3" title="CONLAT_1:attr.3">quasi-empty</a> )
 ;<br/>


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