Theorems · Theorem · category theory

CategoryTheory.Functor.distTriang_iff

∀ {C : Type u_1} {D : Type u_2} [inst : CategoryTheory.Category.{v_1, u_1} C]
  [inst_1 : CategoryTheory.Category.{v_2, u_2} D] (L : CategoryTheory.Functor C D)
  [inst_2 : CategoryTheory.HasShift C ℤ] [inst_3 : CategoryTheory.Preadditive C]
  [inst_4 : CategoryTheory.Limits.HasZeroObject C] [inst_5 : ∀ (n : ℤ), (CategoryTheory.shiftFunctor C n).Additive]
  [inst_6 : CategoryTheory.Pretriangulated C] [inst_7 : CategoryTheory.HasShift D ℤ] [inst_8 : L.CommShift ℤ]
  [inst_9 : CategoryTheory.Limits.HasZeroObject D] [inst_10 : CategoryTheory.Preadditive D]
  [inst_11 : ∀ (n : ℤ), (CategoryTheory.shiftFunctor D n).Additive] [inst_12 : CategoryTheory.Pretriangulated D]
  [L.mapArrow.EssSurj] [L.IsTriangulated] (T : CategoryTheory.Pretriangulated.Triangle D),
  T ∈ CategoryTheory.Pretriangulated.distinguishedTriangles ↔ T ∈ L.essImageDistTriang

Defined in

Mathlib.CategoryTheory.Localization.Triangulated

Cited by

1 results in Mathlib

Foundations

Depth 51 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.CategoryCategoryTheory.CategoryCategoryTheory.HasShiftCategoryTheory.PreadditiveCategoryTheory.Limits.HasZeroObjectCategoryTheory.Functor.AdditiveCategoryTheory.PretriangulatedCategoryTheory.HasShiftCategoryTheory.Functor.CommShiftCategoryTheory.Limits.HasZeroObjectCategoryTheory.PreadditiveCategoryTheory.Functor.AdditiveCategoryTheory.PretriangulatedCategoryTheory.Functor.EssSurjCategoryTheory.Functor.IsTriangulated