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ord_subtract(+Set1, +Set2, -Difference)
Subtracts Set2 from Set1
- Set1
- A set
- Set2
- A set
- Difference
- A set or variable
Description
Succeeds when Difference contains all and only the elements
of Set1 which are not also in Set2.
Modes and Determinism
- ord_subtract(+, +, -) is det
See Also
ord_symdiff / 3