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*.agdai |
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module AMPDS where | ||
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open import Lib hiding (id; _∘_) | ||
open import Syntax using (PS;P;S) | ||
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infixl 7 _[_]T | ||
infixl 5 _,s_ | ||
infix 6 _∘_ | ||
infixl 8 _[_]t | ||
infixl 3 _▶_ | ||
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i : Level | ||
i = suc (suc zero) | ||
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j : Level | ||
j = suc zero | ||
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record Con : Set i where | ||
constructor mkCon | ||
field | ||
ᴬ : Set₁ | ||
ᴹ : ᴬ → ᴬ → Set₁ | ||
ᴾ : Set₁ -- prealg | ||
ᴾᴰ : ᴾ → Set₁ -- displayed prealg | ||
ᴾˢ : (γ : ᴾ) → ᴾᴰ γ → Set -- displayed prealg section | ||
open Con public | ||
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Tyᴾ : ∀ {k : PS}(Γ : Con) → Set₁ | ||
Tyᴾ {P} Γ = Γ .ᴾ → Set | ||
Tyᴾ {S} Γ = Set | ||
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Tyᴾᴰ : ∀ {k : PS}(Γ : Con) → Tyᴾ {k} Γ → Set₁ | ||
Tyᴾᴰ {P} Γ Aᴾ = (γ : Con.ᴾ Γ) → Con.ᴾᴰ Γ γ → Aᴾ γ → Set | ||
Tyᴾᴰ {S} Γ Aᴾ = Aᴾ → Set | ||
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Tyᴾˢ : ∀ {k : PS}(Γ : Con){Aᴾ : Tyᴾ {k} Γ}(Aᴾᴰ : Tyᴾᴰ {k} Γ Aᴾ) → Set₁ | ||
Tyᴾˢ {P} Γ {Aᴾ} Aᴾᴰ = {γᴾ : Γ .ᴾ}(γᴾᴰ : Γ .ᴾᴰ γᴾ)(γˢ : Γ .ᴾˢ γᴾ γᴾᴰ) | ||
→ (α : Aᴾ γᴾ) → Aᴾᴰ γᴾ γᴾᴰ α → Set | ||
Tyᴾˢ {S} Γ {Aᴾ} Aᴾᴰ = (α : Aᴾ) → Aᴾᴰ α → Set | ||
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record Ty (Γ : Con)(k : PS) : Set i where | ||
constructor mkTy | ||
field | ||
ᴬ : Γ .ᴬ → Set₁ | ||
ᴹ : ∀ {γ₀ γ₁} → Γ .ᴹ γ₀ γ₁ → ᴬ γ₀ → ᴬ γ₁ → Set | ||
ᴾ : Tyᴾ {k} Γ | ||
ᴾᴰ : Tyᴾᴰ {k} Γ ᴾ | ||
ᴾˢ : Tyᴾˢ {k} Γ ᴾᴰ | ||
open Ty public | ||
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Tmᴾ : ∀ {Γ}{k}(A : Ty Γ k) → Set₁ | ||
Tmᴾ {Γ} {P} A = (γ : Γ .ᴾ) → A .ᴾ γ | ||
Tmᴾ {Γ} {S} A = Γ .ᴾ → A .ᴾ | ||
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Tmᴾᴰ : ∀ {Γ}{k}(A : Ty Γ k) → Tmᴾ {Γ}{k} A → Set₁ | ||
Tmᴾᴰ {Γ} {P} A tᴾ = (γ : Γ .ᴾ)(γᴾᴰ : Γ .ᴾᴰ γ) → A .ᴾᴰ γ γᴾᴰ (tᴾ γ) | ||
Tmᴾᴰ {Γ} {S} A tᴾ = (γ : Γ .ᴾ) → Γ .ᴾᴰ γ → A .ᴾᴰ (tᴾ γ) | ||
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Tmᴾˢ : ∀ {Γ}{k}(A : Ty Γ k){tᴾ : Tmᴾ {Γ}{k} A} → Tmᴾᴰ {Γ}{k} A tᴾ → Set₁ | ||
Tmᴾˢ {Γ} {P} A {tᴾ} tᴾᴰ = | ||
(γ : Γ .ᴾ)(γᴾᴰ : Γ .ᴾᴰ γ)(γᴾˢ : Γ .ᴾˢ γ γᴾᴰ) | ||
→ A .ᴾˢ γᴾᴰ γᴾˢ (tᴾ γ) (tᴾᴰ γ γᴾᴰ) | ||
Tmᴾˢ {Γ} {S} A {tᴾ} tᴾᴰ = | ||
(γ : Γ .ᴾ)(γᴾᴰ : Γ .ᴾᴰ γ) → Γ .ᴾˢ γ γᴾᴰ → A .ᴾˢ (tᴾ γ) (tᴾᴰ γ γᴾᴰ) | ||
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record Tm (Γ : Con){k}(A : Ty Γ k) : Set j where | ||
constructor mkTm | ||
field | ||
ᴬ : (γ : Con.ᴬ Γ) → Ty.ᴬ A γ | ||
ᴹ : (γ₀ γ₁ : Con.ᴬ Γ)(γᴹ : Con.ᴹ Γ γ₀ γ₁) → Ty.ᴹ A γᴹ (ᴬ γ₀) (ᴬ γ₁) | ||
ᴾ : Tmᴾ {Γ}{k} A | ||
ᴾᴰ : Tmᴾᴰ {Γ}{k} A ᴾ | ||
ᴾˢ : Tmᴾˢ {Γ}{k} A ᴾᴰ | ||
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record Sub (Γ : Con)(Δ : Con) : Set j where | ||
constructor mkSub | ||
field | ||
ᴬ : Con.ᴬ Γ → Con.ᴬ Δ | ||
ᴹ : {γ₀ γ₁ : Γ .Con.ᴬ}(γᴹ : Γ .ᴹ γ₀ γ₁) → Δ .ᴹ (ᴬ γ₀) (ᴬ γ₁) | ||
ᴾ : Γ .ᴾ → Δ .ᴾ | ||
ᴾᴰ : (γ : Γ .Con.ᴾ) → Γ .ᴾᴰ γ → Δ .ᴾᴰ (ᴾ γ) | ||
ᴾˢ : (γ : Γ .Con.ᴾ)(γᴾᴰ : Γ .Con.ᴾᴰ γ) → Γ .Con.ᴾˢ γ γᴾᴰ | ||
→ Δ .ᴾˢ (ᴾ γ) (ᴾᴰ γ γᴾᴰ) | ||
open Sub public | ||
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∙ : Con | ||
∙ = mkCon (Lift ⊤) (λ _ _ → Lift ⊤) | ||
(Lift ⊤) (λ _ → Lift ⊤) | ||
(λ _ _ → Lift ⊤) | ||
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▶ᴾ : ∀{k}(Γ : Con)(A : Ty Γ k) → Set₁ | ||
▶ᴾ {P} Γ A = Σ (Γ .ᴾ) (A .ᴾ) | ||
▶ᴾ {S} Γ A = (Γ .ᴾ) × (A .ᴾ) | ||
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▶ᴾᴰ : ∀{k}(Γ : Con)(A : Ty Γ k) → ▶ᴾ Γ A → Set₁ | ||
▶ᴾᴰ {P} Γ A (γ , α) = Σ (Γ .ᴾᴰ γ) λ γᴾᴰ → A .ᴾᴰ γ γᴾᴰ α | ||
▶ᴾᴰ {S} Γ A (γ , α) = (Γ .ᴾᴰ γ) × (A .ᴾᴰ α) | ||
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▶ᴾˢ : ∀{k}(Γ : Con)(A : Ty Γ k)(γα : ▶ᴾ Γ A) → ▶ᴾᴰ Γ A γα → Set | ||
▶ᴾˢ {P} Γ A (γ , α) (γᴾᴰ , αᴾᴰ) = | ||
Σ (Γ .ᴾˢ γ γᴾᴰ) λ γᴾˢ → A .ᴾˢ γᴾᴰ γᴾˢ α αᴾᴰ | ||
▶ᴾˢ {S} Γ A (γ , α) (γᴾᴰ , αᴾᴰ) = | ||
Γ .ᴾˢ γ γᴾᴰ × A .ᴾˢ α αᴾᴰ | ||
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_▶_ : ∀{k}(Γ : Con) → Ty Γ k → Con | ||
Γ ▶ A = mkCon | ||
(Σ (Γ .ᴬ) (A .ᴬ)) -- A | ||
(λ γ₀ γ₁ → Σ (Γ .ᴹ (₁ γ₀) (₁ γ₁)) λ γᴹ → A .ᴹ γᴹ (₂ γ₀) (₂ γ₁)) -- M | ||
(▶ᴾ Γ A) -- P | ||
(▶ᴾᴰ Γ A) -- PD | ||
(▶ᴾˢ Γ A) | ||
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-- _[_]T : ∀{k Γ Δ} → Ty Δ k → Sub Γ Δ → Ty Γ k | ||
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-- id : ∀{Γ} → Sub Γ Γ | ||
-- _∘_ : ∀{Γ Δ Σ} → Sub Δ Σ → Sub Γ Δ → Sub Γ Σ | ||
-- ε : ∀{Γ} → Sub Γ ∙ | ||
-- _,s_ : ∀{k Γ Δ}(σ : Sub Γ Δ){A : Ty Δ k} → Tm Γ (A [ σ ]T) → Sub Γ (Δ ▶ A) | ||
-- π₁ : ∀{k Γ Δ}{A : Ty Δ k} → Sub Γ (Δ ▶ A) → Sub Γ Δ | ||
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-- _[_]t : ∀{k Γ Δ}{A : Ty Δ k} → Tm Δ A → (σ : Sub Γ Δ) → Tm Γ (A [ σ ]T) | ||
-- π₂ : ∀{k Γ Δ}{A : Ty Δ k}(σ : Sub Γ (Δ ▶ A)) → Tm Γ (A [ π₁ σ ]T) | ||
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-- [id]T : ∀{k Γ}{A : Ty Γ k} → A [ id ]T ≡ A | ||
-- [][]T : ∀{k Γ Δ Σ}{A : Ty Σ k}{σ : Sub Γ Δ}{δ : Sub Δ Σ} | ||
-- → A [ δ ]T [ σ ]T ≡ A [ δ ∘ σ ]T | ||
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-- idl : ∀{Γ Δ}{σ : Sub Γ Δ} → (id ∘ σ) ≡ σ | ||
-- idr : ∀{Γ Δ}{σ : Sub Γ Δ} → (σ ∘ id) ≡ σ | ||
-- ass : ∀{Γ Δ Σ Ω}{σ : Sub Σ Ω}{δ : Sub Δ Σ}{ν : Sub Γ Δ} | ||
-- → (σ ∘ δ) ∘ ν ≡ σ ∘ (δ ∘ ν) | ||
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-- ,∘ : ∀{k Γ Δ Σ}{δ : Sub Γ Δ}{σ : Sub Σ Γ}{A : Ty Δ k}{t : Tm Γ (A [ δ ]T)} | ||
-- → ((δ ,s t) ∘ σ) ≡ ((δ ∘ σ) ,s tr (Tm Σ) [][]T (t [ σ ]t)) | ||
-- π₁β : ∀{k Γ Δ}{A : Ty Δ k}{σ : Sub Γ Δ}{t : Tm Γ (A [ σ ]T)} | ||
-- → (π₁ (σ ,s t)) ≡ σ | ||
-- πη : ∀{k Γ Δ}{A : Ty Δ k}{σ : Sub Γ (Δ ▶ A)} | ||
-- → (π₁ σ ,s π₂ σ) ≡ σ | ||
-- εη : ∀{Γ}{σ : Sub Γ ∙} | ||
-- → σ ≡ ε | ||
-- π₂β : ∀{k Γ Δ}{A : Ty Δ k}{σ : Sub Γ Δ}{t : Tm Γ (A [ σ ]T)} | ||
-- → π₂ (σ ,s t) ≡ tr (λ σ → Tm Γ (A [ σ ]T)) (π₁β ⁻¹) t | ||
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-- wk : ∀{k Γ}{A : Ty Γ k} → Sub (Γ ▶ A) Γ | ||
-- wk = π₁ id | ||
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-- vz : ∀{k Γ}{A : Ty Γ k} → Tm (Γ ▶ A) (A [ wk ]T) | ||
-- vz = π₂ id | ||
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-- vs : ∀{k Γ}{A B : Ty Γ k} → Tm Γ A → Tm (Γ ▶ B) (A [ wk ]T) | ||
-- vs x = x [ wk ]t | ||
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-- <_> : ∀{k Γ}{A : Ty Γ k} → Tm Γ A → Sub Γ (Γ ▶ A) | ||
-- < t > = id ,s tr (Tm _) ([id]T ⁻¹) t | ||
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-- infix 4 <_> | ||
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-- _^_ : ∀ {k}{Γ Δ : Con}(σ : Sub Γ Δ)(A : Ty Δ k) → Sub (Γ ▶ (A [ σ ]T)) (Δ ▶ A) | ||
-- _^_ {k}{Γ} {Δ} σ A = σ ∘ wk ,s coe (Tm _ & [][]T) (vz {k}{Γ}{A [ σ ]T}) | ||
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-- infixl 5 _^_ | ||
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-- -- Universe | ||
-- -------------------------------------------------------------------------------- | ||
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-- postulate | ||
-- U : ∀{Γ} → Ty Γ S | ||
-- U[] : ∀{Γ Δ}{σ : Sub Γ Δ} → (U [ σ ]T) ≡ U | ||
-- El : ∀{Γ}(a : Tm Γ U) → Ty Γ P | ||
-- El[] : ∀{Γ Δ}{σ : Sub Γ Δ}{a : Tm Δ U} | ||
-- → (El a [ σ ]T) ≡ (El (coe (Tm Γ & U[]) (a [ σ ]t))) | ||
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-- -- Inductive functions | ||
-- -------------------------------------------------------------------------------- | ||
-- postulate | ||
-- Π : ∀{k Γ}(a : Tm Γ U)(B : Ty (Γ ▶ El a) k) → Ty Γ k | ||
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-- Π[] : ∀{k Γ Δ}{σ : Sub Γ Δ}{a : Tm Δ U}{B : Ty (Δ ▶ El a) k} | ||
-- → (Π a B) [ σ ]T ≡ Π (tr (Tm Γ) U[] (a [ σ ]t)) | ||
-- (tr (λ x → Ty (Γ ▶ x) k) El[] (B [ σ ^ El a ]T)) | ||
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-- app : ∀{k Γ}{a : Tm Γ U}{B : Ty (Γ ▶ El a) k} → Tm Γ (Π a B) → Tm (Γ ▶ El a) B | ||
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-- app[] : ∀{k Γ Δ}{σ : Sub Γ Δ}{a : Tm Δ U}{B : Ty (Δ ▶ El a) k}{t : Tm Δ (Π a B)} | ||
-- → tr2 (λ A → Tm (Γ ▶ A)) El[] refl (app t [ σ ^ El a ]t) | ||
-- ≡ app (tr (Tm _) Π[] (t [ σ ]t)) |
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