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<div class="add">

<b>take </b>
 <a href="numbers.html#K6" title="NUMBERS:func.6">0</a> 
;<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>
 ;<br/>


</div>
