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<b>consider </b><font color="Maroon">M</font> being  non <a href="xboole_0.html#V1">empty</a> <a href="rusub_4.html#V2">Affine</a> <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">V</font>;<br/>
<a NAME="E2:29_1_1"/>
<font color="Maroon">M</font> is <a href="convex1.html#V1" target="_self">convex</a>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E3:29_1_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being  <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">V</font> st <br/>( not <font color="Olive">b<sub>1</sub></font> is <a href="xboole_0.html#V1">empty</a> &amp; <font color="Olive">b<sub>1</sub></font> is <a href="convex1.html#V1" target="_self">convex</a> )
 ;<br/>


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