Created
April 26, 2017 15:02
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| import Data.Vect | |
| data Choice : (n : Nat) -> (k : Nat) -> Type | |
| Arrows' : Vect n Type -> Type -> Type | |
| Arrows' [] x = x | |
| Arrows' (y :: xs) x = y -> Arrows' xs x | |
| inc : (n : Nat) -> Vect n Nat | |
| inc Z = [] | |
| inc n@(S k) = n :: inc k | |
| Choose : Nat -> Nat -> Type | |
| Choose n k = Arrows' (map Fin (inc n)) (Choice n k) |
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