Minor formatting in graph coloring example

2018-04-11 21:35:04 +02:00
parent 40ddee8444
commit cc3c9b642c
1 changed files with 3 additions and 2 deletions
@@ -7,3 +7,4 @@
 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.