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