DanilaFe/agda-spa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Prove missing congruence law

Browse Source 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
This commit is contained in:
Danila Fedorin 2025-07-25 17:17:01 +02:00
parent 13eee93255
commit 90e0046707
1 changed files with 23 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
Lattice/Builder.agda
View File

@ -465,6 +465,29 @@ eqPath'-pathJoin'-cong {Ls = add-via-greatest l ls {{greatest}}} {inj₂ p₁} {
... | just p₁⊔p₃ | just p₂⊔p₄ | ≈-just p₁⊔p₃≈p₂⊔p₄ = ≈-just p₁⊔p₃≈p₂⊔p₄ ... | just p₁⊔p₃ | just p₂⊔p₄ | ≈-just p₁⊔p₃≈p₂⊔p₄ = ≈-just p₁⊔p₃≈p₂⊔p₄
... | nothing | nothing | ≈-nothing = ≈-nothing ... | nothing | nothing | ≈-nothing = ≈-nothing
eqPath'-pathMeet'-cong : ∀ {a} {Ls : Layers a} {a₁ a₂ a₃ a₄} → eqPath' Ls a₁ a₂ → eqPath' Ls a₃ a₄ → lift-≈ (eqPath' Ls) (pathMeet' Ls a₁ a₃) (pathMeet' Ls a₂ a₄)
eqPath'-pathMeet'-cong {Ls = single l} {lv₁} {lv₂} {lv₃} {lv₄} lv₁≈lv₂ lv₃≈lv₄ = eqLv-lvMeet-cong l {lv₁} {lv₂} {lv₃} {lv₄} lv₁≈lv₂ lv₃≈lv₄
eqPath'-pathMeet'-cong {Ls = add-via-least l ls} {inj₁ lv₁} {inj₁ lv₂} {inj₁ lv₃} {inj₁ lv₄} lv₁≈lv₂ lv₃≈lv₄
with lvMeet (toList l) lv₁ lv₃ | lvMeet (toList l) lv₂ lv₄ | eqLv-lvMeet-cong l {lv₁} {lv₂} {lv₃} {lv₄} lv₁≈lv₂ lv₃≈lv₄
... | just _ | just _ | ≈-just lv₁⊓lv₃≈lv₂⊓lv₄ = ≈-just lv₁⊓lv₃≈lv₂⊓lv₄
... | nothing | nothing | ≈-nothing = ≈-nothing
eqPath'-pathMeet'-cong {Ls = add-via-least l ls} {inj₂ p₁} {inj₂ p₂} {inj₁ lv₃} {inj₁ lv₄} p₁≈p₂ lv₃≈lv₄ = ≈-just p₁≈p₂
eqPath'-pathMeet'-cong {Ls = add-via-least l ls} {inj₁ lv₁} {inj₁ lv₂} {inj₂ p₃} {inj₂ p₄} lv₁≈lv₂ p₃≈p₄ = ≈-just p₃≈p₄
eqPath'-pathMeet'-cong {Ls = add-via-least l {{least}} ls} {inj₂ p₁} {inj₂ p₂} {inj₂ p₃} {inj₂ p₄} p₁≈p₂ p₃≈p₄
with pathMeet' ls p₁ p₃ | pathMeet' ls p₂ p₄ | eqPath'-pathMeet'-cong {Ls = ls} {p₁} {p₂} {p₃} {p₄} p₁≈p₂ p₃≈p₄
... | just p₁⊓p₃ | just p₂⊓p₄ | ≈-just p₁⊓p₃≈p₂⊓p₄ = ≈-just p₁⊓p₃≈p₂⊓p₄
... | nothing | nothing | ≈-nothing = ≈-nothing
eqPath'-pathMeet'-cong {Ls = add-via-greatest l ls {{greatest}}} {inj₁ lv₁} {inj₁ lv₂} {inj₁ lv₃} {inj₁ lv₄} lv₁≈lv₂ lv₃≈lv₄
with lvMeet (toList l) lv₁ lv₃ | lvMeet (toList l) lv₂ lv₄ | eqLv-lvMeet-cong l {lv₁} {lv₂} {lv₃} {lv₄} lv₁≈lv₂ lv₃≈lv₄
... | just _ | just _ | ≈-just lv₁⊓lv₃≈lv₂⊓lv₄ = ≈-just lv₁⊓lv₃≈lv₂⊓lv₄
... | nothing | nothing | ≈-nothing = ≈-just (eqPath'-refl ls (greatestPath ls greatest))
eqPath'-pathMeet'-cong {Ls = add-via-greatest l ls} {inj₂ p₁} {inj₂ p₂} {inj₁ lv₃} {inj₁ lv₄} p₁≈p₂ lv₃≈lv₄ = ≈-just p₁≈p₂
eqPath'-pathMeet'-cong {Ls = add-via-greatest l ls} {inj₁ lv₁} {inj₁ lv₂} {inj₂ p₃} {inj₂ p₄} lv₁≈lv₂ p₃≈p₄ = ≈-just p₃≈p₄
eqPath'-pathMeet'-cong {Ls = add-via-greatest l ls {{greatest}}} {inj₂ p₁} {inj₂ p₂} {inj₂ p₃} {inj₂ p₄} p₁≈p₂ p₃≈p₄
with pathMeet' ls p₁ p₃ | pathMeet' ls p₂ p₄ | eqPath'-pathMeet'-cong {Ls = ls} {p₁} {p₂} {p₃} {p₄} p₁≈p₂ p₃≈p₄
... | just p₁⊓p₃ | just p₂⊓p₄ | ≈-just p₁⊓p₃≈p₂⊓p₄ = ≈-just p₁⊓p₃≈p₂⊓p₄
... | nothing | nothing | ≈-nothing = ≈-nothing
-- Now that we can compare paths for "equality", we can state and -- Now that we can compare paths for "equality", we can state and
-- prove theorems such as commutativity and idempotence. -- prove theorems such as commutativity and idempotence.