<?xml version="1.0"?>
<div class="add">

<b>let </b><font color="Maroon">c<sub>1</sub></font>, <font color="Maroon">c<sub>2</sub></font> be   <a href="glib_000.html#NM2">_Graph</a>;<br/><b>let </b><font color="Maroon">c<sub>3</sub></font> be    <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">c<sub>4</sub></font> be   <a href="glib_000.html#NM10">Vertex</a> of <font color="Maroon">c<sub>1</sub></font>;<br/><b>let </b><font color="Maroon">c<sub>5</sub></font> be   <a href="glib_000.html#NM10">Vertex</a> of <font color="Maroon">c<sub>2</sub></font>;<br/>









<b>assume </b><a NAME="E1:189"/><i><font color="Green">E79</font></i>: 
( <font color="Maroon">c<sub>4</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>5</sub></font> &amp; <font color="Maroon">c<sub>1</sub></font> <a href="glib_000.html#R5" target="_self">==</a> <font color="Maroon">c<sub>2</sub></font> )
 ;<br/>

<b>hence </b><i><font color="Green">E80</font></i>: <font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K27" target="_self">.edgesIn()</a>  = 
<font color="Maroon">c<sub>1</sub></font> <a href="glib_000.html#K19" target="_self">.edgesInto</a> <span class="p1"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>5</sub></font></span><a href="domain_1.html#K6">}</a></span>

<br/>.= 
<font color="Maroon">c<sub>2</sub></font> <a href="glib_000.html#K19" target="_self">.edgesInto</a> <span class="p1"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>5</sub></font></span><a href="domain_1.html#K6">}</a></span>
<b>by </b><i><a class="txt" href="glib_000.html#E1:189"><i><font color="Green">E79</font></i></a>, <a class="ref" href="glib_000.html#T93" target="_self">Th93</a></i>
<br/>.= 
<font color="Maroon">c<sub>5</sub></font> <a href="glib_000.html#K27" target="_self">.edgesIn()</a> 

;<br/><br/>

<b>thus </b><i><font color="Green">E81</font></i>: <font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K28" target="_self">.edgesOut()</a>  = 
<font color="Maroon">c<sub>1</sub></font> <a href="glib_000.html#K20" target="_self">.edgesOutOf</a> <span class="p1"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>5</sub></font></span><a href="domain_1.html#K6">}</a></span>
<b>by </b><i><a class="txt" href="glib_000.html#E1:189"><i><font color="Green">E79</font></i></a></i>
<br/>.= 
<font color="Maroon">c<sub>2</sub></font> <a href="glib_000.html#K20" target="_self">.edgesOutOf</a> <span class="p1"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>5</sub></font></span><a href="domain_1.html#K6">}</a></span>
<b>by </b><i><a class="txt" href="glib_000.html#E1:189"><i><font color="Green">E79</font></i></a>, <a class="ref" href="glib_000.html#T93" target="_self">Th93</a></i>
<br/>.= 
<font color="Maroon">c<sub>5</sub></font> <a href="glib_000.html#K28" target="_self">.edgesOut()</a> 

;<br/>

<b>thus </b><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K29" target="_self">.edgesInOut()</a>  = 
<font color="Maroon">c<sub>1</sub></font> <a href="glib_000.html#K21" target="_self">.edgesInOut</a> <span class="p1"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>5</sub></font></span><a href="domain_1.html#K6">}</a></span>
<b>by </b><i><a class="txt" href="glib_000.html#E1:189"><i><font color="Green">E79</font></i></a></i>
<br/>.= 
<font color="Maroon">c<sub>2</sub></font> <a href="glib_000.html#K21" target="_self">.edgesInOut</a> <span class="p1"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>5</sub></font></span><a href="domain_1.html#K6">}</a></span>
<b>by </b><i><a class="txt" href="glib_000.html#E1:189"><i><font color="Green">E79</font></i></a>, <a class="ref" href="glib_000.html#T93" target="_self">Th93</a></i>
<br/>.= 
<font color="Maroon">c<sub>5</sub></font> <a href="glib_000.html#K29" target="_self">.edgesInOut()</a> 

;<br/>

<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="189_4"><b>now </b></a><div class="add"><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="189_4_1"><b>per </b></a><a class="txt" onclick="hs(this)" href="javascript:()"><b>cases </b></a><span class="hide"><a NAME="E1:189_4_1"/>
( ( <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7" target="_self">the_Edges_of</a> <font color="Maroon">c<sub>1</sub></font> &amp; <span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>4</sub></font> ) or ( <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7" target="_self">the_Edges_of</a> <font color="Maroon">c<sub>1</sub></font> &amp; <span class="p1">(<span class="default"><a href="glib_000.html#K10" target="_self">the_Source_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>4</sub></font> &amp; not <span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>4</sub></font> ) or ( (  not <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7" target="_self">the_Edges_of</a> <font color="Maroon">c<sub>1</sub></font> or  not <span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>4</sub></font> ) &amp; (  not <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7" target="_self">the_Edges_of</a> <font color="Maroon">c<sub>1</sub></font> or  not <span class="p1">(<span class="default"><a href="glib_000.html#K10" target="_self">the_Source_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>4</sub></font> or <span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>4</sub></font> ) ) )
 </span>;<br/><div class="add"><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="189_4_1_1"><b>suppose </b></a><a NAME="E1:189_4_1_1"/><i><font color="Green">E82</font></i>: 
( <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7" target="_self">the_Edges_of</a> <font color="Maroon">c<sub>1</sub></font> &amp; <span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>4</sub></font> )
 ;<br/><div class="add"><a NAME="E2:189_4_1_1"/><b>then </b><i><font color="Green">E83</font></i>: 
( <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7" target="_self">the_Edges_of</a> <font color="Maroon">c<sub>2</sub></font> &amp; <span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>5</sub></font> )
 <b>by </b><i><a class="txt" href="glib_000.html#E1:189"><i><font color="Green">E79</font></i></a>, <a class="ref" href="glib_000.html#D36" target="_self">Def36</a></i>;<br/><b>thus </b><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K30" target="_self">.adj</a> <font color="Maroon">c<sub>3</sub></font> = 
<span class="p1">(<span class="default"><a href="glib_000.html#K10" target="_self">the_Source_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font>
<b>by </b><i><a class="txt" href="glib_000.html#E1:189_4_1_1"><i><font color="Green">E82</font></i></a>, <a class="ref" href="glib_000.html#D43" target="_self">Def43</a></i>
<br/>.= 
<span class="p1">(<span class="default"><a href="glib_000.html#K10" target="_self">the_Source_of</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font>
<b>by </b><i><a class="txt" href="glib_000.html#E1:189"><i><font color="Green">E79</font></i></a>, <a class="ref" href="glib_000.html#D36" target="_self">Def36</a></i>
<br/>.= 
<font color="Maroon">c<sub>5</sub></font> <a href="glib_000.html#K30" target="_self">.adj</a> <font color="Maroon">c<sub>3</sub></font>
<b>by </b><i><a class="txt" href="glib_000.html#E2:189_4_1_1"><i><font color="Green">E83</font></i></a>, <a class="ref" href="glib_000.html#D43" target="_self">Def43</a></i>
;<br/></div><b>end;</b></div><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="189_4_1_2"><b>suppose </b></a><a NAME="E1:189_4_1_2"/><i><font color="Green">E82</font></i>: 
( <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7" target="_self">the_Edges_of</a> <font color="Maroon">c<sub>1</sub></font> &amp; <span class="p1">(<span class="default"><a href="glib_000.html#K10" target="_self">the_Source_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>4</sub></font> &amp; not <span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>4</sub></font> )
 ;<br/><div class="add"><a NAME="E2:189_4_1_2"/><b>then </b><i><font color="Green">E83</font></i>: 
( <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7" target="_self">the_Edges_of</a> <font color="Maroon">c<sub>2</sub></font> &amp; <span class="p1">(<span class="default"><a href="glib_000.html#K10" target="_self">the_Source_of</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>5</sub></font> &amp; not <span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>5</sub></font> )
 <b>by </b><i><a class="txt" href="glib_000.html#E1:189"><i><font color="Green">E79</font></i></a>, <a class="ref" href="glib_000.html#D36" target="_self">Def36</a></i>;<br/><b>thus </b><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K30" target="_self">.adj</a> <font color="Maroon">c<sub>3</sub></font> = 
<span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font>
<b>by </b><i><a class="txt" href="glib_000.html#E1:189_4_1_2"><i><font color="Green">E82</font></i></a>, <a class="ref" href="glib_000.html#D43" target="_self">Def43</a></i>
<br/>.= 
<span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font>
<b>by </b><i><a class="txt" href="glib_000.html#E1:189"><i><font color="Green">E79</font></i></a>, <a class="ref" href="glib_000.html#D36" target="_self">Def36</a></i>
<br/>.= 
<font color="Maroon">c<sub>5</sub></font> <a href="glib_000.html#K30" target="_self">.adj</a> <font color="Maroon">c<sub>3</sub></font>
<b>by </b><i><a class="txt" href="glib_000.html#E2:189_4_1_2"><i><font color="Green">E83</font></i></a>, <a class="ref" href="glib_000.html#D43" target="_self">Def43</a></i>
;<br/></div><b>end;</b></div><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="189_4_1_3"><b>suppose </b></a><a NAME="E1:189_4_1_3"/><i><font color="Green">E82</font></i>: 
( (  not <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7" target="_self">the_Edges_of</a> <font color="Maroon">c<sub>1</sub></font> or  not <span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>4</sub></font> ) &amp; (  not <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7" target="_self">the_Edges_of</a> <font color="Maroon">c<sub>1</sub></font> or  not <span class="p1">(<span class="default"><a href="glib_000.html#K10" target="_self">the_Source_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>4</sub></font> or <span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>4</sub></font> ) )
 ;<br/><div class="add"><a NAME="E2:189_4_1_3"/><b>then </b><i><font color="Green">E83</font></i>: 
( (  not <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7" target="_self">the_Edges_of</a> <font color="Maroon">c<sub>2</sub></font> or  not <span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>5</sub></font> ) &amp; (  not <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a>  <a href="glib_000.html#K7" target="_self">the_Edges_of</a> <font color="Maroon">c<sub>2</sub></font> or  not <span class="p1">(<span class="default"><a href="glib_000.html#K10" target="_self">the_Source_of</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>5</sub></font> or <span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>5</sub></font> ) )
 <b>by </b><i><a class="txt" href="glib_000.html#E1:189"><i><font color="Green">E79</font></i></a>, <a class="ref" href="glib_000.html#D36" target="_self">Def36</a></i>;<br/><b>thus </b><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K30" target="_self">.adj</a> <font color="Maroon">c<sub>3</sub></font> = 
<font color="Maroon">c<sub>5</sub></font>
<b>by </b><i><a class="txt" href="glib_000.html#E1:189"><i><font color="Green">E79</font></i></a>, <a class="txt" href="glib_000.html#E1:189_4_1_3"><i><font color="Green">E82</font></i></a>, <a class="ref" href="glib_000.html#D43" target="_self">Def43</a></i>
<br/>.= 
<font color="Maroon">c<sub>5</sub></font> <a href="glib_000.html#K30" target="_self">.adj</a> <font color="Maroon">c<sub>3</sub></font>
<b>by </b><i><a class="txt" href="glib_000.html#E2:189_4_1_3"><i><font color="Green">E83</font></i></a>, <a class="ref" href="glib_000.html#D43" target="_self">Def43</a></i>
;<br/></div><b>end;</b></div></div><b>end;</b></div></div><b>end;</b></div>
<b>hence </b><a NAME="E6:189"/>
<font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K30" target="_self">.adj</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>5</sub></font> <a href="glib_000.html#K30" target="_self">.adj</a> <font color="Maroon">c<sub>3</sub></font>
 ;<br/>

<b>thus </b><i><font color="Green">E82</font></i>: <font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K31" target="_self">.inDegree()</a>  = 
 <a href="card_1.html#K1">Card</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K27" target="_self">.edgesIn()</a> </span>)</span>

<br/>.= 
<font color="Maroon">c<sub>5</sub></font> <a href="glib_000.html#K31" target="_self">.inDegree()</a> 
<b>by </b><i><a class="txt" href="glib_000.html#E2:189"><i><font color="Green">E80</font></i></a></i>
;<br/>

<b>thus </b><i><font color="Green">E83</font></i>: <font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K32" target="_self">.outDegree()</a>  = 
 <a href="card_1.html#K1">Card</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K28" target="_self">.edgesOut()</a> </span>)</span>

<br/>.= 
<font color="Maroon">c<sub>5</sub></font> <a href="glib_000.html#K32" target="_self">.outDegree()</a> 
<b>by </b><i><a class="txt" href="glib_000.html#E3:189"><i><font color="Green">E81</font></i></a></i>
;<br/>

<b>thus </b><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K35" target="_self">.degree()</a>  = 
<span class="p1">(<span class="default"><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K31" target="_self">.inDegree()</a> </span>)</span> <a href="card_2.html#K1">+`</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K32" target="_self">.outDegree()</a> </span>)</span>

<br/>.= 
<font color="Maroon">c<sub>5</sub></font> <a href="glib_000.html#K35" target="_self">.degree()</a> 
<b>by </b><i><a class="txt" href="glib_000.html#E7:189"><i><font color="Green">E82</font></i></a>, <a class="txt" href="glib_000.html#E8:189"><i><font color="Green">E83</font></i></a></i>
;<br/>

<b>thus </b><i><font color="Green">E84</font></i>: <font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K37" target="_self">.inNeighbors()</a>  = 
<span class="p1">(<span class="default"><a href="glib_000.html#K10" target="_self">the_Source_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="relset_1.html#K10">.:</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K27" target="_self">.edgesIn()</a> </span>)</span>

<br/>.= 
<span class="p1">(<span class="default"><a href="glib_000.html#K10" target="_self">the_Source_of</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> <a href="relset_1.html#K10">.:</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K27" target="_self">.edgesIn()</a> </span>)</span>
<b>by </b><i><a class="txt" href="glib_000.html#E1:189"><i><font color="Green">E79</font></i></a>, <a class="ref" href="glib_000.html#D36" target="_self">Def36</a></i>
<br/>.= 
<font color="Maroon">c<sub>5</sub></font> <a href="glib_000.html#K37" target="_self">.inNeighbors()</a> 
<b>by </b><i><a class="txt" href="glib_000.html#E2:189"><i><font color="Green">E80</font></i></a></i>
;<br/>

<b>thus </b><i><font color="Green">E85</font></i>: <font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K38" target="_self">.outNeighbors()</a>  = 
<span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="relset_1.html#K10">.:</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K28" target="_self">.edgesOut()</a> </span>)</span>

<br/>.= 
<span class="p1">(<span class="default"><a href="glib_000.html#K11" target="_self">the_Target_of</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> <a href="relset_1.html#K10">.:</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K28" target="_self">.edgesOut()</a> </span>)</span>
<b>by </b><i><a class="txt" href="glib_000.html#E1:189"><i><font color="Green">E79</font></i></a>, <a class="ref" href="glib_000.html#D36" target="_self">Def36</a></i>
<br/>.= 
<font color="Maroon">c<sub>5</sub></font> <a href="glib_000.html#K38" target="_self">.outNeighbors()</a> 
<b>by </b><i><a class="txt" href="glib_000.html#E3:189"><i><font color="Green">E81</font></i></a></i>
;<br/>

<b>thus </b><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K39" target="_self">.allNeighbors()</a>  = 
<span class="p1">(<span class="default"><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K37" target="_self">.inNeighbors()</a> </span>)</span> <a href="subset_1.html#K4">\/</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>4</sub></font> <a href="glib_000.html#K38" target="_self">.outNeighbors()</a> </span>)</span>

<br/>.= 
<font color="Maroon">c<sub>5</sub></font> <a href="glib_000.html#K39" target="_self">.allNeighbors()</a> 
<b>by </b><i><a class="txt" href="glib_000.html#E10:189"><i><font color="Green">E84</font></i></a>, <a class="txt" href="glib_000.html#E11:189"><i><font color="Green">E85</font></i></a></i>
;<br/>


</div>
