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<b>let </b><font color="Maroon">V</font> be   <a href="bhsp_1.html#NM1">RealUnitarySpace</a>;<br/><b>let </b><font color="Maroon">W1</font> be    <a href="rusub_1.html#M1" target="_self">Subspace</a> of <font color="Maroon">V</font>, <font color="Maroon">W2</font> be    <a href="rusub_1.html#M1" target="_self">Subspace</a> of <font color="Maroon">V</font>;<br/>



<a NAME="E1:34"/>
(  <a href="rusub_1.html#K1" target="_self">(0).</a> <font color="Maroon">W1</font> <a href="hidden.html#R1">=</a>  <a href="rusub_1.html#K1" target="_self">(0).</a> <font color="Maroon">V</font> &amp;  <a href="rusub_1.html#K1" target="_self">(0).</a> <font color="Maroon">W2</font> <a href="hidden.html#R1">=</a>  <a href="rusub_1.html#K1" target="_self">(0).</a> <font color="Maroon">V</font> )
 
<b>by </b><i><a class="ref" href="rusub_1.html#T2" target="_self">Th2</a></i>;<br/>
<b>hence </b><a NAME="E2:34"/>
 <a href="rusub_1.html#K1" target="_self">(0).</a> <font color="Maroon">W1</font> <a href="hidden.html#R1">=</a>  <a href="rusub_1.html#K1" target="_self">(0).</a> <font color="Maroon">W2</font>
 ;<br/>


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