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<b>take </b>
2
; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> not 2 is <a href="realset1.html#V1" title="REALSET1:attr.1">trivial</a></span><br/>

<b>thus </b><a NAME="E1:30_1_1"/>
not 2 is <a href="realset1.html#V1" title="REALSET1:attr.1">trivial</a>
 <b>by </b><i><a class="ref" href="nat_2.html#D1" target="_self" title="NAT_2:def.1">Def1</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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