anthem/examples/graph-coloring.lp

#external color(1).
#external edge(2).
#external vertex(1).
#show color/2.

{color(V, C)} :- vertex(V), color(C).
covered(V) :- color(V, _).
:- vertex(V), not covered(V).
:- color(V1, C), color(V2, C), edge(V1, V2).
:- color(V, C1), color(V, C2), C1 != C2.
Update graph coloring example with placeholders This replaces the former graph coloring example with a new formulation that makes use of the newly supported placeholders. 2018-04-08 20:28:04 +02:00			`#external color(1).`
			`#external edge(2).`
			`#external vertex(1).`
			`#show color/2.`
Added graph coloring example. 2017-06-12 02:43:19 +02:00
Minor formatting in graph coloring example 2018-04-11 21:34:33 +02:00			`{color(V, C)} :- vertex(V), color(C).`
Update graph coloring example with placeholders This replaces the former graph coloring example with a new formulation that makes use of the newly supported placeholders. 2018-04-08 20:28:04 +02:00			`covered(V) :- color(V, _).`
			`:- vertex(V), not covered(V).`
Minor formatting in graph coloring example 2018-04-11 21:34:33 +02:00			`:- color(V1, C), color(V2, C), edge(V1, V2).`
			`:- color(V, C1), color(V, C2), C1 != C2.`