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<b>take </b>
 <a href="integra1.html#K1" target="_self">divs</a> <font color="Maroon">c<sub>1</sub></font>
;<br/>

<b>thus </b><a NAME="E1:15_1_1"/>
for <font color="Olive">b<sub>1</sub></font> being   <a href="hidden.html#M1">set</a>  holds <br/>( <font color="Olive">b<sub>1</sub></font> <a href="hidden.html#R2">in</a>  <a href="integra1.html#K1" target="_self">divs</a> <font color="Maroon">c<sub>1</sub></font> iff <font color="Olive">b<sub>1</sub></font> is    <a href="integra1.html#M1" target="_self">DivisionPoint</a> of <font color="Maroon">c<sub>1</sub></font> )
 <b>by </b><i><a class="ref" href="integra1.html#D3" target="_self">Def3</a></i>;<br/>


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