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<b>let </b><font color="Maroon">c<sub>1</sub></font>, <font color="Maroon">c<sub>2</sub></font> be   <a href="glib_003.html#NM1">WGraph</a>;<br/><b>let </b><font color="Maroon">c<sub>3</sub></font> be   <a href="glib_003.html#NM1">WGraph</a>;<br/>



<b>assume </b><a NAME="E1:156"/><i><font color="Green">E28</font></i>: 
( <font color="Maroon">c<sub>1</sub></font> <a href="glib_000.html#R5">==</a> <font color="Maroon">c<sub>2</sub></font> &amp;  <a href="glib_003.html#K5" target="_self">the_Weight_of</a> <font color="Maroon">c<sub>1</sub></font> <a href="hidden.html#R1">=</a>  <a href="glib_003.html#K5" target="_self">the_Weight_of</a> <font color="Maroon">c<sub>2</sub></font> &amp; <font color="Maroon">c<sub>1</sub></font> is   <a href="glib_003.html#NM8">WSubgraph</a> of <font color="Maroon">c<sub>3</sub></font> )
 ;<br/>

<b>reconsider </b><font color="Maroon">c<sub>4</sub></font> = <font color="Maroon">c<sub>2</sub></font> as  <a href="glib_003.html#V1" target="_self">[Weighted]</a>  <a href="glib_000.html#M2">Subgraph</a> of <font color="Maroon">c<sub>3</sub></font> <b>by </b><i><a class="txt" href="glib_003.html#E1:156"><i><font color="Green">E28</font></i></a>, <a class="ref" href="glib_000.html#T95">GLIB_000:95</a></i>;<br/>
<a NAME="E3:156"/>
 <a href="glib_000.html#K7">the_Edges_of</a> <font color="Maroon">c<sub>1</sub></font> <a href="hidden.html#R1">=</a>  <a href="glib_000.html#K7">the_Edges_of</a> <font color="Maroon">c<sub>2</sub></font>
 
<b>by </b><i><a class="txt" href="glib_003.html#E1:156"><i><font color="Green">E28</font></i></a>, <a class="ref" href="glib_000.html#D36">GLIB_000:def 36</a></i>;<br/>
<a NAME="E4:156"/><b>then </b>
 <a href="glib_003.html#K5" target="_self">the_Weight_of</a> <font color="Maroon">c<sub>2</sub></font> <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><a href="glib_003.html#K5" target="_self">the_Weight_of</a> <font color="Maroon">c<sub>3</sub></font></span>)</span> <a href="relat_1.html#K7">|</a> <span class="p1">(<span class="default"><a href="glib_000.html#K7">the_Edges_of</a> <font color="Maroon">c<sub>2</sub></font></span>)</span>
 
<b>by </b><i><a class="txt" href="glib_003.html#E1:156"><i><font color="Green">E28</font></i></a>, <a class="ref" href="glib_003.html#D10" target="_self">Def10</a></i>;<br/>
<a NAME="E5:156"/><b>then </b>
<font color="Maroon">c<sub>4</sub></font> is <a href="glib_003.html#V4" target="_self">weight-inheriting</a>
 
<b>by </b><i><a class="ref" href="glib_003.html#D10" target="_self">Def10</a></i>;<br/>
<b>hence </b><a NAME="E6:156"/>
<font color="Maroon">c<sub>2</sub></font> is   <a href="glib_003.html#NM8">WSubgraph</a> of <font color="Maroon">c<sub>3</sub></font>
 ;<br/>


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