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Idris2/samples/NamedSemi.idr

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[PlusNatSemi] Semigroup Nat where
(<+>) x y = x + y
[MultNatSemi] Semigroup Nat where
(<+>) x y = x * y
[PlusNatMonoid] Monoid Nat using PlusNatSemi where
neutral = 0
[MultNatMonoid] Monoid Nat using MultNatSemi where
neutral = 1