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KB Term:  Term intersection
English Word: 

Sigma KEE - DirectedGraph
DirectedGraph(directed graph)

appearance as argument number 1
-------------------------


s__documentation(s__DirectedGraph,s__ChineseLanguage,'"这是有向图的 Class,有向图的所有 GraphArc 都 有方向,即是每一个 GraphArc 有一个始点(可参考 InitialNodeFn)和一个终点(可参考 TerminalNodeFn)。"')

chinese_format.kif 2326-2328
s__documentation(s__DirectedGraph,s__EnglishLanguage,'"The Class of directed graphs. A directed graph is a Graph in which all GraphArcs have direction, i.e. every GraphArc has an initial node (see InitialNodeFn) and a terminal node (see TerminalNodeFn)."')

Merge.kif 5343-5346
s__externalImage(s__DirectedGraph,'"http://upload.wikimedia.org/wikipedia/commons/ a/ a2/ Directed.svg"')

pictureList.kif 1729-1729
s__subclass(s__DirectedGraph,s__Graph)

s__instance(s__DirectedGraph,s__SetOrClass)

s__instance(s__Graph,s__SetOrClass)

Merge.kif 5341-5341 Directed graph is a subclass of graph

appearance as argument number 2
-------------------------


s__subclass(s__GraphPath,s__DirectedGraph)

s__instance(s__DirectedGraph,s__SetOrClass)

s__instance(s__GraphPath,s__SetOrClass)

Merge.kif 5391-5391 Graph path is a subclass of directed graph
s__instance(s__Tree,s__SetOrClass)

s__subclass(s__Tree,s__DirectedGraph)

s__instance(s__DirectedGraph,s__SetOrClass)

Merge.kif 5358-5358 Tree is a subclass of directed graph
s__termFormat(s__ChineseLanguage,s__DirectedGraph,'"有向图"')

chinese_format.kif 934-934
s__termFormat(s__EnglishLanguage,s__DirectedGraph,'"directed graph"')

english_format.kif 1080-1080

antecedent
-------------------------


( ! [V__NODE2,V__NODE1,V__PATH,V__GRAPH] :
   ((s__instance(V__NODE2,s__GraphNode) &
       s__instance(V__NODE1,s__GraphNode) &
       s__instance(V__PATH,s__GraphElement) &
       s__instance(V__GRAPH,s__Graph))
     =>
     (s__graphPart(V__PATH,V__GRAPH)
     &
     ~(s__instance(V__GRAPH,s__DirectedGraph)))
   =>
   (s__instance(V__PATH,s__GraphPathFn(V__NODE1,V__NODE2))
=>
s__instance(V__PATH,s__GraphPathFn(V__NODE2,V__NODE1)))
&
(s__instance(V__PATH,s__GraphPathFn(V__NODE2,V__NODE1))
=>
s__instance(V__PATH,s__GraphPathFn(V__NODE1,V__NODE2)))
)
)

Merge.kif 5713-5719
( ! [V__ARC,V__GRAPH] :
   ((s__instance(V__GRAPH,s__DirectedGraph) &
       s__instance(V__ARC,s__GraphArc) &
       s__graphPart(V__ARC,V__GRAPH))
   =>
   ( ? [V__NODE1, V__NODE2] :
     ((s__instance(V__NODE1,s__GraphNode) &
         s__instance(V__NODE2,s__GraphNode) &
         ((s__InitialNodeFn(V__ARC)
           = V__NODE1)
         &
         (s__TerminalNodeFn(V__ARC)
         = V__NODE2)))))
)
)

Merge.kif 5348-5356


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