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

<b>let </b><font color="Maroon">c<sub>4</sub></font> be   <a href="bhsp_1.html#NM1">RealUnitarySpace</a>;<br/><b>let </b><font color="Maroon">c<sub>5</sub></font> be   <a href="pre_topc.html#NM2">Point</a> of <font color="Maroon">c<sub>4</sub></font>;<br/>



<a NAME="E1:36"/>
0 <a href="xxreal_0.html#R1">&lt;=</a> <font color="Maroon">c<sub>5</sub></font> <a href="bhsp_1.html#K2" target="_self">.|.</a> <font color="Maroon">c<sub>5</sub></font>
 
<b>by </b><i><a class="ref" href="bhsp_1.html#D2" target="_self">Def2</a></i>;<br/>
<a NAME="E2:36"/><b>then </b>
0 <a href="xxreal_0.html#R1">&lt;=</a>  <a href="square_1.html#K7">sqrt</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>5</sub></font> <a href="bhsp_1.html#K2" target="_self">.|.</a> <font color="Maroon">c<sub>5</sub></font></span>)</span>
 
<b>by </b><i><a class="ref" href="square_1.html#D4">SQUARE_1:def 4</a></i>;<br/>
<b>hence </b><a NAME="E3:36"/>
0 <a href="xxreal_0.html#R1">&lt;=</a> <span class="p1"><a href="bhsp_1.html#K3" target="_self">||.</a><span class="default"><font color="Maroon">c<sub>5</sub></font></span><a href="bhsp_1.html#K3" target="_self">.||</a></span>
 ;<br/>


</div>
