Jip J. Dekker
fad1b07018
git-subtree-dir: software/minizinc git-subtree-split: 4f10c82056ffcb1041d7ffef29d77a7eef92cf76
8 lines
292 B
MiniZinc
8 lines
292 B
MiniZinc
predicate inverse(array[int] of var int: f,
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array[int] of var int: invf) =
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forall(j in index_set(invf))(invf[j] in index_set(f)) /\
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forall(i in index_set(f))(
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f[i] in index_set(invf) /\
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forall(j in index_set(invf))(j == f[i] <-> i == invf[j])
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);
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