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?X ## ?Y
X is different from Y.
- ?X
- A linear term.
- ?Y
- A linear term.
Description
This constraints states that the two linear terms are not equal. It is
suspended until at most one variable appears in it and then its domain
is updated so that the constraint is satisfied.
Fail Conditions
The constraint does not hold if X=Y.
Resatisfiable
No.
See Also
:: / 2, #:: / 2, #= / 2