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<span class="kw">take </span>
4
; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> 4 is  <a href="moebius1.html#V1" title="MOEBIUS1:attr.1">square-containing</a> </span><br/>

2 <a href="newton.html#K15" title="NEWTON:func.15">|^</a> 2 = 
2 <a href="nat_1.html#K4" title="NAT_1:func.4">*</a> 2
<span class="kw">by</span> <span class="lab"><a class="ref" href="newton.html#T81" title="NEWTON:th.81">NEWTON:81</a></span>
<br/>.= 
4

;<br/>
<span class="kw">hence </span><a NAME="E2:33_2_1"/>
4 is  <a href="moebius1.html#V1" title="MOEBIUS1:attr.1">square-containing</a> 
 <span class="kw">by</span> <span class="lab"><a class="ref" href="moebius1.html#D1" target="_self" title="MOEBIUS1:def.1">Def1</a>, <a class="ref" href="int_2.html#T28" title="INT_2:th.28">INT_2:28</a></span>; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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