@@ -12,22 +12,20 @@ open import Relation.Binary.Bundles using (DecSetoid)
1212
1313module Data.List.Countdown (D : DecSetoid 0ℓ 0ℓ) where
1414
15- open import Data.Empty
15+ open import Data.Empty using (⊥; ⊥-elim)
1616open import Data.Fin.Base using (Fin; zero; suc; punchOut)
17- open import Data.Fin.Properties
18- using (suc-injective; punchOut-injective)
19- open import Function.Base
20- open import Function.Bundles
21- using (Injection; module Injection )
17+ open import Data.Fin.Properties using (suc-injective; punchOut-injective)
2218open import Data.Bool.Base using (true; false)
2319open import Data.List.Base hiding (lookup)
2420open import Data.List.Relation.Unary.Any as Any using (here; there)
2521open import Data.Nat.Base using (ℕ; zero; suc)
2622open import Data.Product.Base using (∃; _,_; _×_)
27- open import Data.Sum.Base
28- open import Data.Sum.Properties
23+ open import Data.Sum.Base using (_⊎_; inj₁; inj₂)
24+ open import Data.Sum.Properties using (inj₁-injective; inj₂-injective)
25+ open import Function.Base using (const; _$_; _∘_)
26+ open import Function.Bundles using (Injection; module Injection )
2927open import Relation.Nullary.Reflects using (invert)
30- open import Relation.Nullary
28+ open import Relation.Nullary.Decidable.Core using (Dec; yes; no; _because_)
3129open import Relation.Nullary.Decidable using (dec-true; dec-false)
3230open import Relation.Binary.PropositionalEquality.Core as ≡
3331 using (_≡_; _≢_; refl; cong)
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