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<b>take </b>
 <a href="numbers.html#K6" title="NUMBERS:func.6">0</a> 
; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> not  <a href="numbers.html#K6" title="NUMBERS:func.6">0</a>  is <a href="xxreal_0.html#V3" title="XXREAL_0:attr.3">negative</a></span><br/>

<b>thus </b><a NAME="E1:1_1_1"/>
not  <a href="numbers.html#K6" title="NUMBERS:func.6">0</a>  is <a href="xxreal_0.html#V3" title="XXREAL_0:attr.3">negative</a>
 ; <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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