OAI/Algebra/Finitistic/Rectification/CanonicalArrowCompatibility.lean

GitHub source file

7 declarations, 0 contain sorry, 0 declared as axioms

  1. lemma OAI.LittleFinitistic.CanonicalArrowCompatibility.diagonal_original line 14
  2. lemma OAI.LittleFinitistic.CanonicalArrowCompatibility.arrow01_target line 26
  3. lemma OAI.LittleFinitistic.CanonicalArrowCompatibility.arrow12_target line 31
  4. def OAI.LittleFinitistic.CanonicalArrowCompatibility.arrow01Map line 37

    Source documentation

    Left multiplication by the original first arrow on the actual vertex complexes.

    def arrow01Map (a : Fin (d+1)) :=
    …
  5. def OAI.LittleFinitistic.CanonicalArrowCompatibility.arrow12Map line 43

    Source documentation

    Left multiplication by the original second arrow on the actual vertex complexes.

    def arrow12Map (b : Fin (d+1)) :=
    …
  6. def OAI.LittleFinitistic.CanonicalArrowCompatibility.compatibility01 line 49

    Source documentation

    The homotopy uses exactly the original first and second vertex equivalences.

    def compatibility01 (a : Fin (d+1)) : Homotopy
        (FirstVertex.iota P D₀ D₁ D₂ f g H ≫ arrow01Map P D₀ D₁ D₂ f g H a)
        (f a ≫ SecondVertex.iota P D₀ D₁ D₂ f g H) := by
    …

    Mentions: OAI.LittleFinitistic.FirstVertex.iota, OAI.LittleFinitistic.CanonicalArrowCompatibility.arrow01Map, OAI.LittleFinitistic.SecondVertex.iota

  7. def OAI.LittleFinitistic.CanonicalArrowCompatibility.compatibility12 line 59

    Source documentation

    The homotopy uses exactly the original second and third vertex equivalences.

    def compatibility12 (b : Fin (d+1)) : Homotopy
        (SecondVertex.iota P D₀ D₁ D₂ f g H ≫ arrow12Map P D₀ D₁ D₂ f g H b)
        (g b ≫ ThirdVertex.iota P D₀ D₁ D₂ f g H) := by
    …

    Mentions: OAI.LittleFinitistic.SecondVertex.iota, OAI.LittleFinitistic.CanonicalArrowCompatibility.arrow12Map, OAI.LittleFinitistic.ThirdVertex.iota