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simplified D^c

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Jeremy Siek 2020-04-07 08:19:03 -04:00
parent 3ab180ad8d
commit 2dc431121e
1 changed files with 1 additions and 3 deletions
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src/plfa/part3/Denotational.lagda.md
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@ -539,9 +539,7 @@ for a given path.
``` ```
Dᶜ : (n : ℕ) → Vec Value (suc n) → Value Dᶜ : (n : ℕ) → Vec Value (suc n) → Value
Dᶜ zero (a[0] ∷ []) = ⊥ ↦ a[0] ↦ a[0] Dᶜ n (a[n] ∷ ls) = (D^suc n (a[n] ∷ ls)) ↦ (vec-last (a[n] ∷ ls)) ↦ a[n]
Dᶜ (suc n) (a[n+1] ∷ a[n] ∷ ls) =
(D^suc (suc n) (a[n+1] ∷ a[n] ∷ ls)) ↦ (vec-last (a[n] ∷ ls)) ↦ a[n+1]
``` ```
* The Church numeral for 0 ignores its first argument and returns * The Church numeral for 0 ignores its first argument and returns