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All elements of List are different
- list of variables or domain values
Constrains all list elements to be different values of the same domain.
This is implemented by mapping onto ic_global:alldifferent/1.
All list elements must be variables or values of the same domain.
If one or more of them are domain-less, they will be given the same
domain as the others.
This predicate is sensitive to its module context (tool predicate, see @/1).
ic_global : alldifferent / 1