diff options
Diffstat (limited to 'Precond.agda')
| -rw-r--r-- | Precond.agda | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/Precond.agda b/Precond.agda index 3a48757..45076f3 100644 --- a/Precond.agda +++ b/Precond.agda @@ -25,13 +25,12 @@ open import Relation.Binary.PropositionalEquality using (refl ; cong ; inspect ; open Relation.Binary.PropositionalEquality.≡-Reasoning using (begin_ ; _≡⟨_⟩_ ; _∎) open import Relation.Nullary using (yes ; no) -open import Generic using (mapMV ; sequenceV) open import FinMap using (FinMapMaybe ; lookupM ; union ; fromFunc ; empty ; insert ; lemma-lookupM-empty ; delete-many ; lemma-tabulate-∘ ; delete ; lemma-lookupM-delete ; lemma-lookupM-fromFunc ; reshape ; lemma-reshape-id) import CheckInsert open CheckInsert (decSetoid deq) using (checkInsert ; lemma-checkInsert-new ; lemma-lookupM-checkInsert-other) import BFF import Bidir -open Bidir (decSetoid deq) using (_in-domain-of_ ; lemma-assoc-domain ; lemma-just-sequence) +open Bidir (decSetoid deq) using (_in-domain-of_ ; lemma-assoc-domain) import GetTypes open GetTypes.PartialVecVec using (Get ; module Get) open BFF.PartialVecBFF (decSetoid deq) using (assoc ; enumerate ; denumerate ; bff ; enumeratel) @@ -63,23 +62,19 @@ lemma-union-delete-fromFunc {n = n} {is = i ∷ is} {h = h} {g = g} (Data.List.A maybe′ just (lookupM i (delete-many is (fromFunc g))) (lookup i h) ∎ inner f | no f≢i = cong (flip (maybe′ just) (lookup f h)) (lemma-lookupM-delete (delete-many is (fromFunc g)) f≢i) -assoc-enough : (G : Get) → {i : Get.|I| G} → (s : Vec Carrier (Get.|gl₁| G i)) → (v : Vec Carrier (Get.|gl₂| G i)) → ∃ (λ h → assoc (Get.get G (enumerate s)) v ≡ just h) → ∃ λ u → bff G i s v ≡ just u +assoc-enough : (G : Get) → {i : Get.|I| G} → (s : Vec Carrier (Get.|gl₁| G i)) → (v : Vec Carrier (Get.|gl₂| G i)) → ∃ (λ h → assoc (Get.get G (enumerate s)) v ≡ just h) → ∃ λ u → bff G i s v ≡ just (map just u) assoc-enough G {i} s v (h , p) = _ , (begin bff G i s v - ≡⟨ cong (flip _>>=_ (flip mapMV t ∘ flip lookupM) ∘ _<$>_ (flip union (reshape g′ (Get.|gl₁| G i)))) p ⟩ - mapMV (flip lookupM (union h (reshape g′ (Get.|gl₁| G i)))) t - ≡⟨ refl ⟩ - sequenceV (map (flip lookupM (union h (reshape g′ (Get.|gl₁| G i)))) t) - ≡⟨ cong (sequenceV ∘ flip map t ∘ flip lookupM ∘ union h) (lemma-reshape-id g′) ⟩ - sequenceV (map (flip lookupM (union h g′)) t) - ≡⟨ cong (sequenceV ∘ flip map t ∘ flip lookupM) (proj₂ wp) ⟩ - sequenceV (map (flip lookupM (fromFunc (proj₁ wp))) t) - ≡⟨ cong sequenceV (map-cong (lemma-lookupM-fromFunc (proj₁ wp)) t) ⟩ - sequenceV (map (Maybe.just ∘ proj₁ wp) t) - ≡⟨ cong sequenceV (map-∘ just (proj₁ wp) t) ⟩ - sequenceV (map Maybe.just (map (proj₁ wp) t)) - ≡⟨ lemma-just-sequence (map (proj₁ wp) t) ⟩ - just (map (proj₁ wp) t) ∎) + ≡⟨ cong (_<$>_ (flip map t ∘ flip lookupM) ∘ _<$>_ (flip union (reshape g′ (Get.|gl₁| G i)))) p ⟩ + just (map (flip lookupM (union h (reshape g′ (Get.|gl₁| G i)))) t) + ≡⟨ cong (Maybe.just ∘ flip map t ∘ flip lookupM ∘ union h) (lemma-reshape-id g′) ⟩ + just (map (flip lookupM (union h g′)) t) + ≡⟨ cong (Maybe.just ∘ flip map t ∘ flip lookupM) (proj₂ wp) ⟩ + just (map (flip lookupM (fromFunc (proj₁ wp))) t) + ≡⟨ cong Maybe.just (map-cong (lemma-lookupM-fromFunc (proj₁ wp)) t) ⟩ + just (map (Maybe.just ∘ proj₁ wp) t) + ≡⟨ cong just (map-∘ just (proj₁ wp) t) ⟩ + just (map Maybe.just (map (proj₁ wp) t)) ∎) where open Get G s′ = enumerate s g = fromFunc (denumerate s) |