Clean up FiniteMap module structure a bit

Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
This commit is contained in:
Danila Fedorin 2025-01-04 22:28:47 -08:00
parent ffe9d193d9
commit 1432dfa669
2 changed files with 32 additions and 38 deletions

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@ -54,6 +54,7 @@ open VariableValuesFiniteMap
; m₁≼m₂⇒m₁[k]≼m₂[k] to m₁≼m₂⇒m₁[k]ᵛ≼m₂[k]ᵛ
; ∈k-dec to ∈k-decᵛ
; all-equal-keys to all-equal-keysᵛ
; Provenance-union to Provenance-unionᵛ
)
public
open IsLattice isLatticeᵛ
@ -64,12 +65,6 @@ open IsLattice isLatticeᵛ
; ⊔-idemp to ⊔ᵛ-idemp
)
public
open Lattice.FiniteMap.IterProdIsomorphism String L vars
using ()
renaming
( Provenance-union to Provenance-unionᵐ
)
public
open Lattice.FiniteMap.IterProdIsomorphism.WithUniqueKeysAndFixedHeight String L vars vars-Unique
using ()
renaming
@ -95,20 +90,16 @@ open StateVariablesFiniteMap
; _≼_ to _≼ᵐ_
; ≈-Decidable to ≈ᵐ-Decidable
; m₁≼m₂⇒m₁[k]≼m₂[k] to m₁≼m₂⇒m₁[k]ᵐ≼m₂[k]ᵐ
; ≈-sym to ≈ᵐ-sym
)
public
open Lattice.FiniteMap.IterProdIsomorphism.WithUniqueKeysAndFixedHeight State VariableValues states states-Unique
using ()
renaming
( isFiniteHeightLattice to isFiniteHeightLatticeᵐ
)
public
open IsFiniteHeightLattice isFiniteHeightLatticeᵐ
using ()
renaming
( ≈-sym to ≈ᵐ-sym
)
public
-- We now have our (state -> (variables -> value)) map.
-- Define a couple of helpers to retrieve values from it. Specifically,
@ -196,7 +187,7 @@ module _ {{latticeInterpretationˡ : LatticeInterpretation isLatticeˡ}} where
⟦⟧ᵛ-⊔ᵛ- : {vs₁ vs₂ : VariableValues} ( vs₁ ⟧ᵛ vs₂ ⟧ᵛ) vs₁ ⊔ᵛ vs₂ ⟧ᵛ
⟦⟧ᵛ-⊔ᵛ- {vs₁} {vs₂} ρ ⟦vs₁⟧ρ⟦vs₂⟧ρ {k} {l} k,l∈vs₁₂ {v} k,v∈ρ
with ((l₁ , l₂) , (refl , (k,l₁∈vs₁ , k,l₂∈vs₂)))
Provenance-union vs₁ vs₂ k,l∈vs₁₂
Provenance-union vs₁ vs₂ k,l∈vs₁₂
with ⟦vs₁⟧ρ⟦vs₂⟧ρ
... | inj₁ ⟦vs₁⟧ρ = ⟦⟧ˡ-⊔ˡ- {l₁} {l₂} v (inj₁ (⟦vs₁⟧ρ k,l₁∈vs₁ k,v∈ρ))
... | inj₂ ⟦vs₂⟧ρ = ⟦⟧ˡ-⊔ˡ- {l₁} {l₂} v (inj₂ (⟦vs₂⟧ρ k,l₂∈vs₂ k,v∈ρ))

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@ -143,6 +143,7 @@ private module WithKeys (ks : List A) where
λ {(m₁ , _)} {(m₂ , _)} {(m₃ , _)}
IsEquivalence.≈-trans ≈ᵐ-equiv {m₁} {m₂} {m₃}
}
open IsEquivalence ≈-equiv public
instance
isUnionSemilattice : IsSemilattice FiniteMap _≈_ _⊔_
@ -253,6 +254,33 @@ private module WithKeys (ks : List A) where
... | yes k∈km₁ | no k∉km₂ = ⊥-elim (∈k-exclusive fm₁ fm₂ (k∈km₁ , k∉km₂))
... | no k∉km₁ | yes k∈km₂ = ⊥-elim (∈k-exclusive fm₂ fm₁ (k∈km₂ , k∉km₁))
private
_⊆ᵐ_ : {ks₁ ks₂ : List A} WithKeys.FiniteMap ks₁ WithKeys.FiniteMap ks₂ Set
_⊆ᵐ_ fm₁ fm₂ = subset-impl (proj₁ (proj₁ fm₁)) (proj₁ (proj₁ fm₂))
_∈ᵐ_ : {ks : List A} A × B WithKeys.FiniteMap ks Set
_∈ᵐ_ {ks} = WithKeys._∈_ ks
FromBothMaps : (k : A) (v : B) {ks : List A} (fm₁ fm₂ : WithKeys.FiniteMap ks) Set
FromBothMaps k v fm₁ fm₂ =
Σ (B × B)
(λ (v₁ , v₂) ( (v v₁ ⊔₂ v₂) × ((k , v₁) ∈ᵐ fm₁ × (k , v₂) ∈ᵐ fm₂)))
Provenance-union : {ks : List A} (fm₁ fm₂ : WithKeys.FiniteMap ks) {k : A} {v : B}
(k , v) ∈ᵐ (WithKeys._⊔_ ks fm₁ fm₂) FromBothMaps k v fm₁ fm₂
Provenance-union fm₁@(m₁ , ks₁≡ks) fm₂@(m₂ , ks₂≡ks) {k} {v} k,v∈fm₁fm₂
with Expr-Provenance-≡ ((` m₁) (` m₂)) k,v∈fm₁fm₂
... | in (single k,v∈m₁) k∉km₂
with k∈km₁ (WithKeys.forget k,v∈m₁)
rewrite trans ks₁≡ks (sym ks₂≡ks) =
⊥-elim (k∉km₂ k∈km₁)
... | in k∉km₁ (single k,v∈m₂)
with k∈km₂ (WithKeys.forget k,v∈m₂)
rewrite trans ks₁≡ks (sym ks₂≡ks) =
⊥-elim (k∉km₁ k∈km₂)
... | bothᵘ {v₁} {v₂} (single k,v₁∈m₁) (single k,v₂∈m₂) =
((v₁ , v₂) , (refl , (k,v₁∈m₁ , k,v₂∈m₂)))
module IterProdIsomorphism where
open WithKeys
open import Data.Unit using (tt)
@ -297,9 +325,6 @@ module IterProdIsomorphism where
private
_⊆ᵐ_ : {ks₁ ks₂ : List A} FiniteMap ks₁ FiniteMap ks₂ Set
_⊆ᵐ_ fm₁ fm₂ = subset-impl (proj₁ (proj₁ fm₁)) (proj₁ (proj₁ fm₂))
_≈ⁱᵖ_ : {n : } IterProd n IterProd n Set
_≈ⁱᵖ_ {n} = IP._≈_ {n}
@ -307,8 +332,6 @@ module IterProdIsomorphism where
IterProd (length ks) IterProd (length ks) IterProd (length ks)
_⊔ⁱᵖ_ {ks} = IP._⊔_ {length ks}
_∈ᵐ_ : {ks : List A} A × B FiniteMap ks Set
_∈ᵐ_ {ks} = _∈_ ks
to-build : {b : B} {ks : List A} (uks : Unique ks)
let fm = to uks (IP.build b tt (length ks))
@ -367,26 +390,6 @@ module IterProdIsomorphism where
fm'₂⊆fm'₁ k' v' k',v'∈fm'₂
in (v'' , (v'≈v'' , there k',v''∈fm'₁))
FromBothMaps : (k : A) (v : B) {ks : List A} (fm₁ fm₂ : FiniteMap ks) Set
FromBothMaps k v fm₁ fm₂ =
Σ (B × B)
(λ (v₁ , v₂) ( (v v₁ ⊔₂ v₂) × ((k , v₁) ∈ᵐ fm₁ × (k , v₂) ∈ᵐ fm₂)))
Provenance-union : {ks : List A} (fm₁ fm₂ : FiniteMap ks) {k : A} {v : B}
(k , v) ∈ᵐ (_⊔_ ks fm₁ fm₂) FromBothMaps k v fm₁ fm₂
Provenance-union fm₁@(m₁ , ks₁≡ks) fm₂@(m₂ , ks₂≡ks) {k} {v} k,v∈fm₁fm₂
with Expr-Provenance-≡ ((` m₁) (` m₂)) k,v∈fm₁fm₂
... | in (single k,v∈m₁) k∉km₂
with k∈km₁ (forget k,v∈m₁)
rewrite trans ks₁≡ks (sym ks₂≡ks) =
⊥-elim (k∉km₂ k∈km₁)
... | in k∉km₁ (single k,v∈m₂)
with k∈km₂ (forget k,v∈m₂)
rewrite trans ks₁≡ks (sym ks₂≡ks) =
⊥-elim (k∉km₁ k∈km₂)
... | bothᵘ {v₁} {v₂} (single k,v₁∈m₁) (single k,v₂∈m₂) =
((v₁ , v₂) , (refl , (k,v₁∈m₁ , k,v₂∈m₂)))
private
first-key-in-map : {k : A} {ks : List A} (fm : FiniteMap (k ks))
Σ B (λ v (k , v) ∈ᵐ fm)