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<b>let </b><font color="Maroon">x1</font> be    <a href="hidden.html#M1">set</a> ; <i><font color="Red">:: according to </font></i><a class="ref" href="integra1.html#D4" target="_self">INTEGRA1:def 4</a><br/>

<b>thus </b><a NAME="E1:26_1_1"/>
( <font color="Maroon">x1</font> <a href="hidden.html#R2">in</a>  <a href="integra1.html#K1" target="_self">divs</a> <font color="Maroon">A</font> iff <font color="Maroon">x1</font> is    <a href="integra1.html#M1" target="_self">DivisionPoint</a> of <font color="Maroon">A</font> )
 <b>by </b><i/>;<br/>


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