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

<b>take </b><font color="Maroon">c<sub>8</sub></font> =  <a href="xcmplx_0.html#K4">-</a> 1;<br/>

<b>thus </b><a NAME="E1:21_2_1"/>
0 <a href="xxreal_0.html#NR4" target="_self">&gt;</a> <font color="Maroon">c<sub>8</sub></font>
 <b>by </b><i><a class="txt" href="xreal_0.html#E4"><i><font color="Green">Lemma4</font></i></a>, <a class="txt" href="xreal_0.html#E11"><i><font color="Green">Lemma10</font></i></a>, <a class="txt" href="xreal_0.html#E23"><i><font color="Green">Lemma18</font></i></a></i>; <i><font color="Red">:: according to </font></i><a class="ref" href="xxreal_0.html#D7">XXREAL_0:def 7</a><br/>


</div>
