diff options
Diffstat (limited to 'Bidir.agda')
-rw-r--r-- | Bidir.agda | 30 |
1 files changed, 15 insertions, 15 deletions
@@ -108,7 +108,7 @@ lemma-fmap-denumerate-enumerate {S} {C} ShapeT {s = s} c = begin open Shaped ShapeT -theorem-1 : (G : Get) → {i : Get.|I| G} → (s : Get.SourceContainer G Carrier (Get.|gl₁| G i)) → bff G i s (Get.get G s) ≡ just (Get.fmapS G just s) +theorem-1 : (G : Get) → {i : Get.I G} → (s : Get.SourceContainer G Carrier (Get.gl₁ G i)) → bff G i s (Get.get G s) ≡ just (Get.fmapS G just s) theorem-1 G {i} s = begin bff G i s (get s) ≡⟨ cong (bff G i s ∘ get) (sym (lemma-fmap-denumerate-enumerate SourceShapeT s)) ⟩ @@ -122,25 +122,25 @@ theorem-1 G {i} s = begin ≡⟨ cong (_<$>_ h′↦r ∘ _<$>_ h↦h′) (lemma-1 f (Shaped.content ViewShapeT (get t))) ⟩ (Maybe.just ∘ h′↦r ∘ h↦h′) (restrict f (Shaped.content ViewShapeT (get t))) ≡⟨ cong just (begin - h′↦r (union (restrict f (Shaped.content ViewShapeT (get t))) (reshape g′ (Shaped.arity SourceShapeT (|gl₁| i)))) + h′↦r (union (restrict f (Shaped.content ViewShapeT (get t))) (reshape g′ (Shaped.arity SourceShapeT (gl₁ i)))) ≡⟨ cong (h′↦r ∘ union (restrict f (Shaped.content ViewShapeT (get t)))) (lemma-reshape-id g′) ⟩ h′↦r (union (restrict f (Shaped.content ViewShapeT (get t))) g′) ≡⟨ cong h′↦r (lemma-disjoint-union f (Shaped.content ViewShapeT (get t))) ⟩ h′↦r (fromFunc f) ≡⟨ refl ⟩ fmapS (flip lookupM (fromFunc f)) t - ≡⟨ IsFunctor.cong (Shaped.isFunctor SourceShapeT (|gl₁| i)) (lemma-lookupM-fromFunc f) t ⟩ + ≡⟨ IsFunctor.cong (Shaped.isFunctor SourceShapeT (gl₁ i)) (lemma-lookupM-fromFunc f) t ⟩ fmapS (Maybe.just ∘ f) t - ≡⟨ IsFunctor.composition (Shaped.isFunctor SourceShapeT (|gl₁| i)) just f t ⟩ + ≡⟨ IsFunctor.composition (Shaped.isFunctor SourceShapeT (gl₁ i)) just f t ⟩ fmapS just (fmapS f t) ≡⟨ cong (fmapS just) (lemma-fmap-denumerate-enumerate SourceShapeT s) ⟩ fmapS just s ∎) ⟩ _ ∎ where open ≡-Reasoning open Get G - t = enumerate SourceShapeT (|gl₁| i) + t = enumerate SourceShapeT (gl₁ i) f = denumerate SourceShapeT s g′ = delete-many (Shaped.content ViewShapeT (get t)) (fromFunc f) - h↦h′ = flip union (reshape g′ (Shaped.arity SourceShapeT (|gl₁| i))) + h↦h′ = flip union (reshape g′ (Shaped.arity SourceShapeT (gl₁ i))) h′↦r = (λ f′ → fmapS f′ t) ∘ flip lookupM @@ -214,7 +214,7 @@ lemma-sequence-successful ShapeT {s = s} c {r} p = just-injective (sym (begin open Shaped ShapeT wp = lemma-<$>-just (sequenceV (content c)) p -lemma-get-sequence : {A : Set} → (G : Get) → {i : Get.|I| G} {v : Get.SourceContainer G (Maybe A) (Get.|gl₁| G i)} {r : Get.SourceContainer G A (Get.|gl₁| G i)} → Shaped.sequence (Get.SourceShapeT G) v ≡ just r → Get.get G <$> Shaped.sequence (Get.SourceShapeT G) v ≡ Shaped.sequence (Get.ViewShapeT G) (Get.get G v) +lemma-get-sequence : {A : Set} → (G : Get) → {i : Get.I G} {v : Get.SourceContainer G (Maybe A) (Get.gl₁ G i)} {r : Get.SourceContainer G A (Get.gl₁ G i)} → Shaped.sequence (Get.SourceShapeT G) v ≡ just r → Get.get G <$> Shaped.sequence (Get.SourceShapeT G) v ≡ Shaped.sequence (Get.ViewShapeT G) (Get.get G v) lemma-get-sequence G {v = v} {r = r} p = begin get <$> Shaped.sequence SourceShapeT v ≡⟨ cong (_<$>_ get ∘ Shaped.sequence SourceShapeT) (lemma-sequence-successful SourceShapeT v p) ⟩ @@ -253,9 +253,9 @@ sequence-cong ShapeT α {s} (shape≈ , content≈) | .(just x) | .(just y) | ju open Shaped ShapeT sequence-cong ShapeT α (shape≈ , content≈) | .nothing | .nothing | nothing = nothing -theorem-2 : (G : Get) → {i : Get.|I| G} → (j : Get.|I| G) → (s : Get.SourceContainer G Carrier (Get.|gl₁| G i)) → (v : Get.ViewContainer G Carrier (Get.|gl₂| G j)) → (u : Get.SourceContainer G (Maybe Carrier) (Get.|gl₁| G j)) → bff G j s v ≡ just u → ShapedISetoid (EqSetoid _) (Get.ViewShapeT G) (MaybeSetoid A.setoid) at _ ∋ Get.get G u ≈ Get.fmapV G just v -theorem-2 G {i} j s v u p with (lemma-<$>-just ((flip union (reshape (delete-many (Shaped.content (Get.ViewShapeT G) (Get.get G (enumerate (Get.SourceShapeT G) (Get.|gl₁| G i)))) (fromFunc (denumerate (Get.SourceShapeT G) s))) (Shaped.arity (Get.SourceShapeT G) (Get.|gl₁| G j)))) <$> (assoc (Shaped.content (Get.ViewShapeT G) (Get.get G (enumerate (Get.SourceShapeT G) (Get.|gl₁| G j)))) (Shaped.content (Get.ViewShapeT G) v))) p) -theorem-2 G {i} j s v u p | h′ , ph′ with (lemma-<$>-just (assoc (Shaped.content (Get.ViewShapeT G) (Get.get G (enumerate (Get.SourceShapeT G) (Get.|gl₁| G j)))) (Shaped.content (Get.ViewShapeT G) v)) ph′) +theorem-2 : (G : Get) → {i : Get.I G} → (j : Get.I G) → (s : Get.SourceContainer G Carrier (Get.gl₁ G i)) → (v : Get.ViewContainer G Carrier (Get.gl₂ G j)) → (u : Get.SourceContainer G (Maybe Carrier) (Get.gl₁ G j)) → bff G j s v ≡ just u → ShapedISetoid (EqSetoid _) (Get.ViewShapeT G) (MaybeSetoid A.setoid) at _ ∋ Get.get G u ≈ Get.fmapV G just v +theorem-2 G {i} j s v u p with (lemma-<$>-just ((flip union (reshape (delete-many (Shaped.content (Get.ViewShapeT G) (Get.get G (enumerate (Get.SourceShapeT G) (Get.gl₁ G i)))) (fromFunc (denumerate (Get.SourceShapeT G) s))) (Shaped.arity (Get.SourceShapeT G) (Get.gl₁ G j)))) <$> (assoc (Shaped.content (Get.ViewShapeT G) (Get.get G (enumerate (Get.SourceShapeT G) (Get.gl₁ G j)))) (Shaped.content (Get.ViewShapeT G) v))) p) +theorem-2 G {i} j s v u p | h′ , ph′ with (lemma-<$>-just (assoc (Shaped.content (Get.ViewShapeT G) (Get.get G (enumerate (Get.SourceShapeT G) (Get.gl₁ G j)))) (Shaped.content (Get.ViewShapeT G) v)) ph′) theorem-2 G {i} j s v u p | h′ , ph′ | h , ph = refl , (begin content (get u) ≡⟨ cong content (just-injective (trans (cong (_<$>_ get) (sym p)) @@ -267,7 +267,7 @@ theorem-2 G {i} j s v u p | h′ , ph′ | h , ph = refl , (begin content (fmapV (flip lookupM (h↦h′ h)) (get t)) ≡⟨ Shaped.fmap-content ViewShapeT (flip lookupM (h↦h′ h)) (get t) ⟩ map (flip lookupM (h↦h′ h)) (content (get t)) - ≡⟨ lemma-union-not-used h (reshape g′ (Shaped.arity SourceShapeT (|gl₁| j))) (content (get t)) (lemma-assoc-domain (content (get t)) (content v) ph) ⟩ + ≡⟨ lemma-union-not-used h (reshape g′ (Shaped.arity SourceShapeT (gl₁ j))) (content (get t)) (lemma-assoc-domain (content (get t)) (content v) ph) ⟩ map (flip lookupM h) (content (get t)) ≈⟨ lemma-2 (content (get t)) (content v) h ph ⟩ map just (content v) @@ -276,14 +276,14 @@ theorem-2 G {i} j s v u p | h′ , ph′ | h , ph = refl , (begin where open EqR (VecISetoid (MaybeSetoid A.setoid) at _) open Get G open Shaped ViewShapeT using (content) - s′ = enumerate SourceShapeT (|gl₁| i) + s′ = enumerate SourceShapeT (gl₁ i) g = fromFunc (denumerate SourceShapeT s) g′ = delete-many (Shaped.content ViewShapeT (get s′)) g - t = enumerate SourceShapeT (|gl₁| j) - h↦h′ = flip union (reshape g′ (Shaped.arity SourceShapeT (|gl₁| j))) + t = enumerate SourceShapeT (gl₁ j) + h↦h′ = flip union (reshape g′ (Shaped.arity SourceShapeT (gl₁ j))) h′↦r = (λ f → fmapS f t) ∘ flip lookupM -theorem-2′ : (G : Get) → {i : Get.|I| G} → (j : Get.|I| G) → (s : Get.SourceContainer G Carrier (Get.|gl₁| G i)) → (v : Get.ViewContainer G Carrier (Get.|gl₂| G j)) → (u : Get.SourceContainer G Carrier (Get.|gl₁| G j)) → bff G j s v ≡ just (Get.fmapS G just u) → ShapedISetoid (EqSetoid _) (Get.ViewShapeT G) A.setoid at _ ∋ Get.get G u ≈ v +theorem-2′ : (G : Get) → {i : Get.I G} → (j : Get.I G) → (s : Get.SourceContainer G Carrier (Get.gl₁ G i)) → (v : Get.ViewContainer G Carrier (Get.gl₂ G j)) → (u : Get.SourceContainer G Carrier (Get.gl₁ G j)) → bff G j s v ≡ just (Get.fmapS G just u) → ShapedISetoid (EqSetoid _) (Get.ViewShapeT G) A.setoid at _ ∋ Get.get G u ≈ v theorem-2′ G j s v u p = drop-just (begin get <$> just u ≡⟨ cong (_<$>_ get) (sym (lemma-just-sequence SourceShapeT u)) ⟩ |