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?BoolExprX => ?BoolExprY
BoolExprX being true implies BoolExprY must be true.
- BoolExprX
- 0/1-valued expression, such as reified constraint
- BoolExprY
- 0/1-valued expression, such as reified constraint
Description
Equivalent to BX #= BoolExprX, BY #= BoolExprY, BX #=< BY.
If BoolExprX and BoolExprY are constraints that have a corresponding
reified form, the entailment of BoolExprY is enforced if BoolExprX is
entailed.
See Also
=> / 3, neg / 1, or / 2, and / 2, <=> / 2