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Theorems · Inductive type · category theory

CategoryTheory.Triangulated.TStructure.IsGE

{C : Type u_1} →
  [inst : CategoryTheory.Category.{v_1, u_1} C] →
    [inst_1 : CategoryTheory.Preadditive C] →
      [inst_2 : CategoryTheory.Limits.HasZeroObject C] →
        [inst_3 : CategoryTheory.HasShift C ℤ] →
          [inst_4 : ∀ (n : ℤ), (CategoryTheory.shiftFunctor C n).Additive] →
            [inst_5 : CategoryTheory.Pretriangulated C] → CategoryTheory.Triangulated.TStructure C → C → ℤ → Prop

Given a t-structure t on a pretriangulated category C, the property t.IsGE X n holds if X : C is ≥ n for the t-structure.

Defined in
Mathlib.CategoryTheory.Triangulated.TStructure.Basic
Cited by
48 results in Mathlib
Foundations
Depth 33 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.PreadditiveCategoryTheory.Limits.HasZeroObjectCategoryTheory.HasShiftCategoryTheory.Functor.AdditiveCategoryTheory.Pretriangulated

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

DerivedCategory.IsGE · cited by 8DerivedCategory.IsGECategoryTheory.Triangulated.TStructure.zero · cited by 7TStructure.zeroCategoryTheory.Triangulated.TStructure.zero_of_isLE_of_isGE · cited by 7TStructure.zero_of_isLE_o…CategoryTheory.Triangulated.TStructure.plus · cited by 7TStructure.plusCategoryTheory.Triangulated.TStructure.isGE_of_ge · cited by 6TStructure.isGE_of_geCategoryTheory.Triangulated.TStructure.triangle_iso_exists · cited by 5TStructure.triangle_iso_e…CategoryTheory.Triangulated.TStructure.ge_of_isGE · cited by 5TStructure.ge_of_isGECategoryTheory.Triangulated.TStructure.isGE_of_iso · cited by 5TStructure.isGE_of_isoCategoryTheory.Triangulated.TStructure.isGE_shift · cited by 5TStructure.isGE_shiftCategoryTheory.Triangulated.TStructure.from_truncGE_obj_ext · cited by 4TStructure.from_truncGE_o…CategoryTheory.Triangulated.TStructure.descTruncGE · cited by 4TStructure.descTruncGEDerivedCategory.Plus.IsGE · cited by 3Plus.IsGECategoryTheory.Triangulated.TStructure.isGE_iff_isIso_truncGEπ_app · cited by 3TStructure.isGE_iff_isIso…CategoryTheory.Triangulated.TStructure.IsGE.ge · cited by 3IsGE.geCategoryTheory.Triangulated.TStructure.descTruncGT · cited by 3TStructure.descTruncGTCategoryTheory.Category · cited by 32673CategoryTheory.CategoryCategoryTheory.Preadditive · cited by 3309CategoryTheory.PreadditiveCategoryTheory.shiftFunctor · cited by 1553CategoryTheory.shiftFunct…CategoryTheory.HasShift · cited by 1527CategoryTheory.HasShiftCategoryTheory.Limits.HasZeroObject · cited by 1298Limits.HasZeroObjectCategoryTheory.Functor.Additive · cited by 1179Functor.AdditiveCategoryTheory.Pretriangulated · cited by 669CategoryTheory.Pretriangu…CategoryTheory.Triangulated.TStructure · cited by 318Triangulated.TStructureTStructure.IsGECITED BYCITES

Cites8

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by57

Results whose statement or proof uses this declaration.