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<b>consider </b><font color="Maroon" title="c1">n</font> being  <a href="abian.html#NV3" title="ABIAN:NV.3">odd</a> <a href="pythtrip.html#V1" title="PYTHTRIP:attr.1">square</a>  <a href="subset_1.html#M2" title="SUBSET_1:mode.2">Element</a> of  <a href="numbers.html#K5" title="NUMBERS:func.5">NAT</a> ;<br/>
<b>take </b>
<font color="Maroon" title="c1">n</font>
;<br/>

<b>thus </b><a NAME="E2:9_1_1"/>
( not <font color="Maroon" title="c1">n</font> is <a href="abian.html#V1" title="ABIAN:attr.1">even</a> &amp; <font color="Maroon" title="c1">n</font> is <a href="pythtrip.html#V1" title="PYTHTRIP:attr.1">square</a> )
 ;<br/>


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