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

<b>take </b>
<span class="p1"><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">].</a><span class="default"><a href="numbers.html#K6" title="NUMBERS:func.6">0</a> ,2</span><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">.[</a></span>
; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> ( not <span class="p1"><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">].</a><span class="default"><a href="numbers.html#K6" title="NUMBERS:func.6">0</a> ,2</span><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">.[</a></span> is <a href="xxreal_2.html#V1" title="XXREAL_2:attr.1">left_end</a> &amp; not <span class="p1"><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">].</a><span class="default"><a href="numbers.html#K6" title="NUMBERS:func.6">0</a> ,2</span><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">.[</a></span> is <a href="xxreal_2.html#V2" title="XXREAL_2:attr.2">right_end</a> &amp; <span class="p1"><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">].</a><span class="default"><a href="numbers.html#K6" title="NUMBERS:func.6">0</a> ,2</span><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">.[</a></span> is <a href="xxreal_2.html#V6" title="XXREAL_2:attr.6">connected</a> &amp; not <span class="p1"><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">].</a><span class="default"><a href="numbers.html#K6" title="NUMBERS:func.6">0</a> ,2</span><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">.[</a></span> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> )</span><br/>

<a NAME="E1:125_4_1"/>
1 <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <span class="p1"><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">].</a><span class="default"><a href="numbers.html#K6" title="NUMBERS:func.6">0</a> ,2</span><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">.[</a></span>
 
<b>by </b><i><a class="ref" href="xxreal_1.html#T4" title="XXREAL_1:th.4">XXREAL_1:4</a></i>;<br/>
<b>hence </b><a NAME="E2:125_4_1"/>
( not <span class="p1"><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">].</a><span class="default"><a href="numbers.html#K6" title="NUMBERS:func.6">0</a> ,2</span><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">.[</a></span> is <a href="xxreal_2.html#V1" title="XXREAL_2:attr.1">left_end</a> &amp; not <span class="p1"><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">].</a><span class="default"><a href="numbers.html#K6" title="NUMBERS:func.6">0</a> ,2</span><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">.[</a></span> is <a href="xxreal_2.html#V2" title="XXREAL_2:attr.2">right_end</a> &amp; <span class="p1"><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">].</a><span class="default"><a href="numbers.html#K6" title="NUMBERS:func.6">0</a> ,2</span><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">.[</a></span> is <a href="xxreal_2.html#V6" title="XXREAL_2:attr.6">connected</a> &amp; not <span class="p1"><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">].</a><span class="default"><a href="numbers.html#K6" title="NUMBERS:func.6">0</a> ,2</span><a href="xxreal_1.html#K4" title="XXREAL_1:func.4">.[</a></span> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> )
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


</div>
