Safe Haskell | None |
---|---|
Language | GHC2021 |
Rerefined.Predicate.Logical.Iff
Synopsis
- data Iff (l :: k) (r :: k1)
Documentation
data Iff (l :: k) (r :: k1) Source #
Logical biconditional ("if and only if"). Also the XNOR logic gate, or equivalence (loosely).
Instances
(Predicate l, Predicate r) => Predicate (Iff l r :: Type) Source # | Precedence of 4 (matching |
Defined in Rerefined.Predicate.Logical.Iff | |
(Refine l a, Refine r a, KnownPredicateName (Iff l r)) => Refine (Iff l r :: Type) a Source # | |
Defined in Rerefined.Predicate.Logical.Iff | |
type PredicateName d (Iff l r :: Type) Source # | |
Defined in Rerefined.Predicate.Logical.Iff |