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



<b>thus </b> <a href="bhsp_1.html#K5" target="_self">dist</a> <font color="Maroon">x</font>,<font color="Maroon">x</font> = 
<span class="p1"><a href="bhsp_1.html#K3" target="_self">||.</a><span class="default"><font color="Maroon">H<sub>1</sub></font>(<font color="Maroon">X</font>)</span><a href="bhsp_1.html#K3" target="_self">.||</a></span>
<b>by </b><i><a class="ref" href="rlvect_1.html#T28">RLVECT_1:28</a></i>
<br/>.= 
0
<b>by </b><i/>
;<br/>


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