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

<a NAME="E1:6_1_1"/>
 <a href="sin_cos.html#K36" title="SIN_COS:func.36">PI</a>  <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <span class="p1"><a href="rcomp_1.html#K2" title="RCOMP_1:func.2">].</a><span class="default"><a href="numbers.html#K6" title="NUMBERS:func.6">0</a> ,4</span><a href="rcomp_1.html#K2" title="RCOMP_1:func.2">.[</a></span>
 
<b>by </b><i><a class="ref" href="sin_cos.html#D32" title="SIN_COS:def.32">SIN_COS:def 32</a></i>;<br/>
<b>hence </b><a NAME="E2:6_1_1"/>
not  <a href="sin_cos.html#K36" title="SIN_COS:func.36">PI</a>  is <a href="xxreal_0.html#V3" title="XXREAL_0:attr.3">negative</a>
 <b>by </b><i><a class="ref" href="xxreal_1.html#T4" title="XXREAL_1:th.4">XXREAL_1:4</a></i>; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


</div>
