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12 lines
341 B
Plaintext
12 lines
341 B
Plaintext
Pair : Type -> Type -> Type ;
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Pair A B = { p1 : A; p2 : B } ;
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pair : (A:Type) -> (B:Type) -> A -> B -> Pair A B ;
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pair _ _ x y = { p1 = x; p2 = y } ;
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fst : (A:Type) -> (B:Type) -> Pair A B -> A ;
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fst _ _ p = case p of { (Pair _ _ x _) -> x } ;
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snd : (A:Type) -> (B:Type) -> Pair A B -> B ;
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snd _ _ p = case p of { (Pair _ _ x _) -> x } ;
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