<?xml version="1.0"?>
<div class="add">

<b>take </b>
 <a href="xxreal_0.html#K1" target="_self">+infty</a> 
;<br/>

<b>thus </b><a NAME="E1:28_1_1"/>
 <a href="xxreal_0.html#K1" target="_self">+infty</a>  is <a href="xxreal_0.html#V2" target="_self">positive</a>
 ;<br/>


</div>
