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<b>let </b><font color="Maroon">c<sub>4</sub></font> be   <a href="clvect_1.html#NM5">ComplexNormSpace</a>;<br/><b>let </b><font color="Maroon">c<sub>5</sub></font>, <font color="Maroon">c<sub>6</sub></font> be   <a href="pre_topc.html#NM2">Point</a> of <font color="Maroon">c<sub>4</sub></font>;<br/>





<a NAME="E1:131"/>
( <span class="p1"><a href="clvect_1.html#K5" target="_self">||.</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon">c<sub>5</sub></font> <a href="rlvect_1.html#K6">-</a> <font color="Maroon">c<sub>6</sub></font></span>)</span></span><a href="clvect_1.html#K5" target="_self">.||</a></span> <a href="hidden.html#R1">=</a> 0 iff <font color="Maroon">c<sub>5</sub></font> <a href="rlvect_1.html#K6">-</a> <font color="Maroon">c<sub>6</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">H<sub>1</sub></font>(<font color="Maroon">c<sub>4</sub></font>) )
 
<b>by </b><i><a class="ref" href="clvect_1.html#D10" target="_self">Def10</a></i>;<br/>
<b>hence </b><a NAME="E2:131"/>
( <span class="p1"><a href="clvect_1.html#K5" target="_self">||.</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon">c<sub>5</sub></font> <a href="rlvect_1.html#K6">-</a> <font color="Maroon">c<sub>6</sub></font></span>)</span></span><a href="clvect_1.html#K5" target="_self">.||</a></span> <a href="hidden.html#R1">=</a> 0 iff <font color="Maroon">c<sub>5</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>6</sub></font> )
 <b>by </b><i><a class="ref" href="rlvect_1.html#T28">RLVECT_1:28</a>, <a class="ref" href="rlvect_1.html#T35">RLVECT_1:35</a></i>;<br/>


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