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<b>consider </b><font color="Maroon">V</font> being   <a href="partfun1.html#NM1">PartFunc</a> of  <a href="glib_000.html#K6">the_Vertices_of</a> <font color="Maroon">G</font>, <a href="numbers.html#K1">REAL</a> ;<br/>
<b>set </b><font color="Maroon">G2</font> = <font color="Maroon">G</font> <a href="glib_000.html#K13">.set</a> <a href="glib_003.html#K4">VLabelSelector</a> ,<font color="Maroon">V</font>;<br/>
<b>consider </b><font color="Maroon">V2</font> being   <a href="partfun1.html#NM1">PartFunc</a> of  <a href="glib_000.html#K6">the_Vertices_of</a> <span class="p1">(<span class="default"><font color="Maroon">G</font> <a href="glib_000.html#K13">.set</a> <a href="glib_003.html#K4">VLabelSelector</a> ,<font color="Maroon">V</font></span>)</span>, <a href="numbers.html#K1">REAL</a> ;<br/>
<b>set </b><font color="Maroon">G3</font> = <span class="p1">(<span class="default"><font color="Maroon">G</font> <a href="glib_000.html#K13">.set</a> <a href="glib_003.html#K4">VLabelSelector</a> ,<font color="Maroon">V</font></span>)</span> <a href="glib_000.html#K13">.set</a> <a href="lexbfs.html#K5" target="_self">V2LabelSelector</a> ,<font color="Maroon">V2</font>;<br/>
<a NAME="E3:66_1_1"/>
( <font color="Maroon">G</font> <a href="glib_000.html#R5">==</a> <font color="Maroon">G</font> <a href="glib_000.html#K13">.set</a> <a href="glib_003.html#K4">VLabelSelector</a> ,<font color="Maroon">V</font> &amp; <font color="Maroon">G</font> <a href="glib_000.html#K13">.set</a> <a href="glib_003.html#K4">VLabelSelector</a> ,<font color="Maroon">V</font> <a href="glib_000.html#R5">==</a> <span class="p1">(<span class="default"><font color="Maroon">G</font> <a href="glib_000.html#K13">.set</a> <a href="glib_003.html#K4">VLabelSelector</a> ,<font color="Maroon">V</font></span>)</span> <a href="glib_000.html#K13">.set</a> <a href="lexbfs.html#K5" target="_self">V2LabelSelector</a> ,<font color="Maroon">V2</font> )
 
<b>by </b><i><a class="ref" href="glib_003.html#T8">GLIB_003:8</a>, </i>;<br/>
<a NAME="E4:66_1_1"/><b>then </b>
<font color="Maroon">G</font> <a href="glib_000.html#R5">==</a> <span class="p1">(<span class="default"><font color="Maroon">G</font> <a href="glib_000.html#K13">.set</a> <a href="glib_003.html#K4">VLabelSelector</a> ,<font color="Maroon">V</font></span>)</span> <a href="glib_000.html#K13">.set</a> <a href="lexbfs.html#K5" target="_self">V2LabelSelector</a> ,<font color="Maroon">V2</font>
 
<b>by </b><i><a class="ref" href="glib_000.html#T88">GLIB_000:88</a></i>;<br/>
<a NAME="E5:66_1_1"/><b>then </b>
<span class="p1">(<span class="default"><font color="Maroon">G</font> <a href="glib_000.html#K13">.set</a> <a href="glib_003.html#K4">VLabelSelector</a> ,<font color="Maroon">V</font></span>)</span> <a href="glib_000.html#K13">.set</a> <a href="lexbfs.html#K5" target="_self">V2LabelSelector</a> ,<font color="Maroon">V2</font> is    <a href="glib_000.html#M2">Subgraph</a> of <font color="Maroon">G</font>
 
<b>by </b><i><a class="ref" href="glib_000.html#T90">GLIB_000:90</a></i>;<br/>
<b>hence </b><a NAME="E6:66_1_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being   <a href="glib_000.html#M2">Subgraph</a> of <font color="Maroon">G</font> st <br/>( <font color="Olive">b<sub>1</sub></font> is <a href="glib_003.html#V3">[VLabeled]</a> &amp; <font color="Olive">b<sub>1</sub></font> is <a href="lexbfs.html#V4" target="_self">[V2Labeled]</a> )
 ;<br/>


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