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<b>let </b><font color="Maroon" title="c1">X</font> be   <a href="bhsp_1.html#NM1" title="BHSP_1:NM.1">RealUnitarySpace</a>;<br/><b>let </b><font color="Maroon" title="c2">seq</font> be   <a href="struct_0.html#NM9" title="STRUCT_0:NM.9">sequence</a> of <font color="Maroon" title="c1">X</font>;<br/>



<a NAME="E1:22"/>
<font color="Maroon" title="c2">seq</font> <a href="normsp_1.html#K2" title="NORMSP_1:func.2">.</a> <span class="p1">(<span class="default">0 <a href="nat_1.html#K1" title="NAT_1:func.1">+</a> 1</span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><a href="bhsp_4.html#K3" title="BHSP_4:func.3">Sum</a> <font color="Maroon" title="c2">seq</font>,<span class="p2">(<span class="default">0 <a href="nat_1.html#K1" title="NAT_1:func.1">+</a> 1</span>)</span></span>)</span> <a href="rlvect_1.html#K5" title="RLVECT_1:func.5">-</a> <span class="p1">(<span class="default"><a href="bhsp_4.html#K3" title="BHSP_4:func.3">Sum</a> <font color="Maroon" title="c2">seq</font>,0</span>)</span>
 
<b>by </b><i><a class="ref" href="bhsp_4.html#T20" target="_self" title="BHSP_4:th.20">Th20</a></i>;<br/>
<b>hence </b><a NAME="E2:22"/>
<font color="Maroon" title="c2">seq</font> <a href="normsp_1.html#K2" title="NORMSP_1:func.2">.</a> 1 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><a href="bhsp_4.html#K3" title="BHSP_4:func.3">Sum</a> <font color="Maroon" title="c2">seq</font>,1</span>)</span> <a href="rlvect_1.html#K5" title="RLVECT_1:func.5">-</a> <span class="p1">(<span class="default"><a href="bhsp_4.html#K3" title="BHSP_4:func.3">Sum</a> <font color="Maroon" title="c2">seq</font>,0</span>)</span>
 ;<br/>


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