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Minor formatting in graph coloring example

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Patrick Lühne 2018-04-11 21:34:33 +02:00
parent 40ddee8444
commit cc3c9b642c
Signed by: patrick
GPG Key ID: 05F3611E97A70ABF
1 changed files with 3 additions and 2 deletions
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examples/graph-coloring.lp
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@ -3,7 +3,8 @@
#external vertex(1). #external vertex(1).
#show color/2. #show color/2.
{color(V,C)} :- vertex(V), color(C). {color(V, C)} :- vertex(V), color(C).
covered(V) :- color(V, _). covered(V) :- color(V, _).
:- vertex(V), not covered(V). :- vertex(V), not covered(V).
:- color(V1,C), color(V2,C), edge(V1,V2). :- color(V1, C), color(V2, C), edge(V1, V2).
:- color(V, C1), color(V, C2), C1 != C2.