This commit is contained in:
Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions

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swap(A,B,B,A).
?- swap(1,2,X,Y).
X = 2,
Y = 1.