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<b>take </b>
1
; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> ( not 1 is <a href="abian.html#V1" title="ABIAN:attr.1">even</a> &amp; 1 is <a href="pythtrip.html#V1" title="PYTHTRIP:attr.1">square</a> )</span><br/>

<a NAME="E1:7_1_1"/>
1 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default">2 <a href="nat_1.html#K4" title="NAT_1:func.4">*</a> <a href="numbers.html#K6" title="NUMBERS:func.6">0</a> </span>)</span> <a href="nat_1.html#K2" title="NAT_1:func.2">+</a> 1
 
;<br/>
<b>hence </b><a NAME="E2:7_1_1"/>
( not 1 is <a href="abian.html#V1" title="ABIAN:attr.1">even</a> &amp; 1 is <a href="pythtrip.html#V1" title="PYTHTRIP:attr.1">square</a> )
 <b>by </b><i><a class="ref" href="square_1.html#T59" title="SQUARE_1:th.59">SQUARE_1:59</a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


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