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8 lines
169 B
Idris
8 lines
169 B
Idris
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%hint
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mycong : (f : a -> b) -> x = y -> f x = f y
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mycong f Refl = Refl
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plusZ : (n : Nat) -> plus n Z = n
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plusS : (n : Nat) -> (m : Nat) -> plus n (S m) = S (plus n m)
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