diff options
author | Helmut Grohne <helmut@subdivi.de> | 2019-03-31 21:23:11 +0200 |
---|---|---|
committer | Helmut Grohne <helmut@subdivi.de> | 2019-03-31 21:23:11 +0200 |
commit | 50f61bef184194fc48dd1415800830d032495f51 (patch) | |
tree | 0d5b30b9a1e491d8554c96be2c98a8103e6fd737 | |
parent | 4d2b9ba79a5a35ad63ee941f0681697cf017dfd0 (diff) | |
download | bidiragda-50f61bef184194fc48dd1415800830d032495f51.tar.gz |
FinMap.lemma-tabulate-∘ is also known as Data.Vec.Properties.tabulate-cong
-rw-r--r-- | FinMap.agda | 8 | ||||
-rw-r--r-- | Precond.agda | 8 |
2 files changed, 6 insertions, 10 deletions
diff --git a/FinMap.agda b/FinMap.agda index 1ae4c39..b069162 100644 --- a/FinMap.agda +++ b/FinMap.agda @@ -6,7 +6,7 @@ open import Data.Maybe using (Maybe ; just ; nothing ; maybe′) open import Data.Fin using (Fin ; zero ; suc) open import Data.Fin.Properties using (_≟_) open import Data.Vec using (Vec ; [] ; _∷_ ; _[_]≔_ ; replicate ; tabulate ; foldr ; zip ; toList) renaming (lookup to lookupVec ; map to mapV) -open import Data.Vec.Properties using (lookup∘update ; lookup∘update′ ; lookup-replicate) +open import Data.Vec.Properties using (lookup∘update ; lookup∘update′ ; lookup-replicate ; tabulate-cong) open import Data.Product using (_×_ ; _,_) open import Data.List.All as All using (All) import Data.List.All.Properties as AllP @@ -109,10 +109,6 @@ lemma-lookupM-restrict-∉ i f (j ∷ js) i∉jjs = P.trans (lookup∘update′ (All.head i∉jjs) (restrict f js) (just (f j))) (lemma-lookupM-restrict-∉ i f js (All.tail i∉jjs)) -lemma-tabulate-∘ : {n : ℕ} {A : Set} → {f g : Fin n → A} → f ≗ g → tabulate f ≡ tabulate g -lemma-tabulate-∘ {zero} {_} {f} {g} f≗g = P.refl -lemma-tabulate-∘ {suc n} {_} {f} {g} f≗g = P.cong₂ _∷_ (f≗g zero) (lemma-tabulate-∘ (f≗g ∘ suc)) - lemma-lookupM-fromFunc : {n : ℕ} {A : Set} → (f : Fin n → A) → flip lookupM (fromFunc f) ≗ Maybe.just ∘ f lemma-lookupM-fromFunc f zero = P.refl lemma-lookupM-fromFunc f (suc i) = lemma-lookupM-fromFunc (f ∘ suc) i @@ -134,7 +130,7 @@ lemma-reshape-id [] = P.refl lemma-reshape-id (x ∷ xs) = P.cong (_∷_ x) (lemma-reshape-id xs) lemma-disjoint-union : {n m : ℕ} {A : Set} → (f : Fin n → A) → (t : Vec (Fin n) m) → union (restrict f t) (delete-many t (fromFunc f)) ≡ fromFunc f -lemma-disjoint-union {n} f t = lemma-tabulate-∘ inner +lemma-disjoint-union {n} f t = tabulate-cong inner where inner : (x : Fin n) → maybe′ just (lookupM x (delete-many t (fromFunc f))) (lookupM x (restrict f t)) ≡ just (f x) inner x with is-∈ _≟_ x t inner x | yes-∈ x∈t = P.cong (maybe′ just (lookupM x (delete-many t (fromFunc f)))) (lemma-lookupM-restrict-∈ x f t x∈t) diff --git a/Precond.agda b/Precond.agda index 8eec6da..293f44d 100644 --- a/Precond.agda +++ b/Precond.agda @@ -15,7 +15,7 @@ import Data.Maybe.Categorical open Category.Monad.RawMonad {Level.zero} Data.Maybe.Categorical.monad using (_>>=_) open Category.Functor.RawFunctor {Level.zero} Data.Maybe.Categorical.functor using (_<$>_) open import Data.Vec using (Vec ; [] ; _∷_ ; map ; lookup ; toList) -open import Data.Vec.Properties using (map-cong ; map-∘ ; tabulate-∘ ; lookup-replicate) +open import Data.Vec.Properties using (map-cong ; map-∘ ; tabulate-∘ ; lookup-replicate ; tabulate-cong) import Data.List.All open import Data.List.Any using (here ; there) open import Data.List.Membership.Setoid using (_∉_) @@ -28,7 +28,7 @@ open P.≡-Reasoning using (begin_ ; _≡⟨_⟩_ ; _∎) open import Relation.Nullary using (yes ; no) open import Structures using (IsFunctor ; module Shaped ; Shaped) -open import FinMap using (FinMapMaybe ; lookupM ; union ; fromFunc ; empty ; insert ; delete-many ; lemma-tabulate-∘ ; delete ; lemma-lookupM-delete ; lemma-lookupM-fromFunc ; reshape ; lemma-reshape-id) +open import FinMap using (FinMapMaybe ; lookupM ; union ; fromFunc ; empty ; insert ; delete-many ; delete ; lemma-lookupM-delete ; lemma-lookupM-fromFunc ; reshape ; lemma-reshape-id) import CheckInsert open CheckInsert (P.decSetoid deq) using (checkInsert ; lemma-checkInsert-new ; lemma-lookupM-checkInsert-other) import BFF @@ -43,7 +43,7 @@ lemma-maybe-just a (just x) = P.refl lemma-maybe-just a nothing = P.refl lemma-union-delete-fromFunc : {m n : ℕ} {A : Set} {is : Vec (Fin n) m} {h : FinMapMaybe n A} {g : Fin n → A} → is in-domain-of h → ∃ λ v → union h (delete-many is (fromFunc g)) ≡ fromFunc v -lemma-union-delete-fromFunc {is = []} {h = h} {g = g} p = _ , (lemma-tabulate-∘ (λ f → begin +lemma-union-delete-fromFunc {is = []} {h = h} {g = g} p = _ , (tabulate-cong (λ f → begin maybe′ just (lookupM f (fromFunc g)) (lookupM f h) ≡⟨ P.cong (flip (maybe′ just) (lookupM f h)) (lemma-lookupM-fromFunc g f) ⟩ maybe′ just (just (g f)) (lookupM f h) @@ -51,7 +51,7 @@ lemma-union-delete-fromFunc {is = []} {h = h} {g = g} p = _ , (lemma-tabulate-∠just (maybe′ id (g f) (lookupM f h)) ∎)) lemma-union-delete-fromFunc {n = n} {is = i ∷ is} {h = h} {g = g} (Data.List.All._∷_ (x , px) ps) = _ , (begin union h (delete i (delete-many is (fromFunc g))) - ≡⟨ lemma-tabulate-∘ inner ⟩ + ≡⟨ tabulate-cong inner ⟩ union h (delete-many is (fromFunc g)) ≡⟨ proj₂ (lemma-union-delete-fromFunc ps) ⟩ _ ∎) |