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<b>consider </b><font color="Maroon">c<sub>1</sub></font> being  non <a href="xboole_0.html#V1">empty</a>  <a href="hidden.html#M1">set</a> ;<br/>
<b>take </b>
 <a href="yellow_1.html#K3">BoolePoset</a> <font color="Maroon">c<sub>1</sub></font>
;<br/>

<b>thus </b><a NAME="E2:70_1_1"/>
(  <a href="yellow_1.html#K3">BoolePoset</a> <font color="Maroon">c<sub>1</sub></font> is <a href="yellow_0.html#V3">bounded</a> &amp; not  <a href="yellow_1.html#K3">BoolePoset</a> <font color="Maroon">c<sub>1</sub></font> is <a href="realset2.html#V3">trivial</a> )
 ;<br/>


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