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<b>let </b><font color="Maroon">G</font> be  <a href="glib_003.html#V7">real-weighted</a> <a href="glib_003.html#V9">real-elabeled</a> <a href="glib_003.html#NM4">WEGraph</a>;<br/><b>let </b><font color="Maroon">source</font> be   <a href="glib_000.html#NM10">Vertex</a> of <font color="Maroon">G</font>;<br/>



<b>set </b><font color="Maroon">G0</font> = <span class="p1">(<span class="default"><a href="glib_005.html#K5" target="_self">AP:CompSeq</a> <font color="Maroon">G</font>,<font color="Maroon">source</font></span>)</span> <a href="glib_004.html#K5">.</a> 0;<br/>
<a NAME="E1:42"/><i><font color="Green">E37</font></i>: 
<span class="p1">(<span class="default"><a href="glib_005.html#K5" target="_self">AP:CompSeq</a> <font color="Maroon">G</font>,<font color="Maroon">source</font></span>)</span> <a href="glib_004.html#K5">.</a> 0 <a href="hidden.html#R1">=</a> <font color="Maroon">G</font> <a href="glib_000.html#K13">.set</a> <a href="glib_003.html#K4">VLabelSelector</a> ,<span class="p1">(<span class="default"><font color="Maroon">source</font> <a href="cqc_lang.html#K3">.--&gt;</a> 1</span>)</span>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:42"/>
<font color="Maroon">G</font> <a href="glib_000.html#R5">==</a> <span class="p1">(<span class="default"><a href="glib_005.html#K5" target="_self">AP:CompSeq</a> <font color="Maroon">G</font>,<font color="Maroon">source</font></span>)</span> <a href="glib_004.html#K5">.</a> 0
 <b>by </b><i><a class="ref" href="glib_003.html#T8">GLIB_003:8</a></i>;<br/>

<b>thus </b><a NAME="E3:42"/>
 <a href="glib_003.html#K5">the_Weight_of</a> <font color="Maroon">G</font> <a href="hidden.html#R1">=</a>  <a href="glib_003.html#K5">the_Weight_of</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="glib_005.html#K5" target="_self">AP:CompSeq</a> <font color="Maroon">G</font>,<font color="Maroon">source</font></span>)</span> <a href="glib_004.html#K5">.</a> 0</span>)</span>
 <b>by </b><i>, <a class="ref" href="glib_000.html#T12">GLIB_000:12</a></i>;<br/>

<b>thus </b><a NAME="E4:42"/>
 <a href="glib_003.html#K6">the_ELabel_of</a> <font color="Maroon">G</font> <a href="hidden.html#R1">=</a>  <a href="glib_003.html#K6">the_ELabel_of</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="glib_005.html#K5" target="_self">AP:CompSeq</a> <font color="Maroon">G</font>,<font color="Maroon">source</font></span>)</span> <a href="glib_004.html#K5">.</a> 0</span>)</span>
 <b>by </b><i>, <a class="ref" href="glib_000.html#T12">GLIB_000:12</a></i>;<br/>

<a NAME="E5:42"/><i><font color="Green">E51</font></i>: 
 <a href="glib_003.html#K7">the_VLabel_of</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="glib_005.html#K5" target="_self">AP:CompSeq</a> <font color="Maroon">G</font>,<font color="Maroon">source</font></span>)</span> <a href="glib_004.html#K5">.</a> 0</span>)</span> <a href="hidden.html#R1">=</a> <font color="Maroon">source</font> <a href="cqc_lang.html#K3">.--&gt;</a> 1
 
<b>by </b><i>, <a class="ref" href="glib_000.html#T11">GLIB_000:11</a></i>;<br/>
<a NAME="E6:42"/>
 <a href="relat_1.html#K1">dom</a> <span class="p1">(<span class="default"><font color="Maroon">source</font> <a href="cqc_lang.html#K3">.--&gt;</a> 1</span>)</span> <a href="hidden.html#R1">=</a> <span class="p1"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">source</font></span><a href="domain_1.html#K6">}</a></span>
 
<b>by </b><i><a class="ref" href="cqc_lang.html#T5">CQC_LANG:5</a></i>;<br/>
<b>hence </b><a NAME="E7:42"/>
<span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="glib_005.html#K5" target="_self">AP:CompSeq</a> <font color="Maroon">G</font>,<font color="Maroon">source</font></span>)</span> <a href="glib_004.html#K5">.</a> 0</span>)</span> <a href="glib_003.html#K14">.labeledV()</a>  <a href="hidden.html#R1">=</a> <span class="p1"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">source</font></span><a href="domain_1.html#K6">}</a></span>
 <b>by </b><i/>;<br/>


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