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

<b>let </b><font color="Maroon">V</font> be   <a href="bhsp_1.html#NM1">RealUnitarySpace</a>;<br/><b>let </b><font color="Maroon">W</font> be    <a href="rusub_1.html#M1">Subspace</a> of <font color="Maroon">V</font>;<br/><b>let </b><font color="Maroon">L</font> be    <a href="rusub_2.html#M1" target="_self">Linear_Compl</a> of <font color="Maroon">W</font>;<br/>





<a NAME="E1:55"/>
<font color="Maroon">V</font> <a href="rusub_2.html#R1" target="_self">is_the_direct_sum_of</a> <font color="Maroon">W</font>,<font color="Maroon">L</font>
 
<b>by </b><i><a class="txt" href="rusub_2.html#E8"><i><font color="Green">Lemma40</font></i></a></i>;<br/>
<b>hence </b><a NAME="E2:55"/>
<font color="Maroon">W</font> <a href="rusub_2.html#K2" target="_self">/\</a> <font color="Maroon">L</font> <a href="hidden.html#R1">=</a>  <a href="rusub_1.html#K1">(0).</a> <font color="Maroon">V</font>
 <b>by </b><i><a class="ref" href="rusub_2.html#T2" target="_self">Th2</a></i>;<br/>

<b>hence </b><a NAME="E3:55"/>
<font color="Maroon">L</font> <a href="rusub_2.html#K2" target="_self">/\</a> <font color="Maroon">W</font> <a href="hidden.html#R1">=</a>  <a href="rusub_1.html#K1">(0).</a> <font color="Maroon">V</font>
 <b>by </b><i/>;<br/>


</div>
