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graph_labeling(+Graph)

Labels a graph variable.

Graph: A graph.

Description

Labels a graph variable.

Fail Conditions

Fails if Graph is not a graph variable.

Examples

?- graph_labeling(G).
No.

?- V`::[]..[1,2], E`::[]..[[1,2],[2,1]], dirgraph(G,V,E), graph_labeling(G).
V = []
E = []
G = dirgraph([], [])
Yes ? ;

V = [2]
E = []
G = dirgraph([2], [])
Yes ? ;

V = [1]
E = []
G = dirgraph([1], [])
Yes ? ;

V = [1, 2]
E = []
G = dirgraph([1, 2], [])
Yes ? ;

V = [1, 2]
E = [[2, 1]]
G = dirgraph([1, 2], [[2, 1]])
Yes ? ;

V = [1, 2]
E = [[1, 2]]
G = dirgraph([1, 2], [[1, 2]])
Yes ? ;

V = [1, 2]
E = [[1, 2], [2, 1]]
G = dirgraph([1, 2], [[1, 2], [2, 1]])
Yes

?- V`::[]..[1,2], E`::[]..[[1,2],[2,1]], undirgraph(G,V,E), graph_labeling(G).
V = []
E = []
G = undirgraph([], [])
Yes ? ;

V = [2]
E = []
G = undirgraph([2], [])
Yes ? ;

V = [1]
E = []
G = undirgraph([1], [])
Yes ? ;

V = [1, 2]
E = []
G = undirgraph([1, 2], [])
Yes ? ;

V = [1, 2]
E = [[1, 2], [2, 1]]
G = undirgraph([1, 2], [[1, 2], [2, 1]])
Yes