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<a NAME="E1:63_1_1"/>
 <a href="lexbfs.html#K6" target="_self">the_V2Label_of</a> <span class="p1">(<span class="default"><font color="Maroon">G</font> <a href="glib_003.html#K13">.labelVertex</a> <font color="Maroon">v</font>,<font color="Maroon">x</font></span>)</span> <a href="hidden.html#R1">=</a>  <a href="lexbfs.html#K6" target="_self">the_V2Label_of</a> <font color="Maroon">G</font>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:63_1_1"/>
<font color="Maroon">G</font> <a href="glib_003.html#K13">.labelVertex</a> <font color="Maroon">v</font>,<font color="Maroon">x</font> is <a href="lexbfs.html#V5" target="_self">natural-v2labeled</a>
 <b>by </b><i/>;<br/>


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