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Theorems · Definition · category theory

HomotopicalAlgebra.LeftHomotopyClass.mk

{C : Type u} →
  [inst : CategoryTheory.Category.{v, u} C] →
    {X Y : C} →
      [inst_1 : HomotopicalAlgebra.CategoryWithWeakEquivalences C] → (X ⟶ Y) → HomotopicalAlgebra.LeftHomotopyClass X Y

Given f : X ⟶ Y, this is the class of f in the quotient LeftHomotopyClass X Y.

Defined in
Mathlib.AlgebraicTopology.ModelCategory.LeftHomotopy
Cited by
14 results in Mathlib
Foundations
Depth 7 from the axioms · uses no axioms
Assumes
CategoryTheory.CategoryHomotopicalAlgebra.CategoryWithWeakEquivalences

Around this declaration

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

HomotopicalAlgebra.leftHomotopyClassEquivRightHomotopyClass · cited by 4HomotopicalAlgebra.leftHo…HomotopicalAlgebra.LeftHomotopyClass.mk_surjective · cited by 4LeftHomotopyClass.mk_surj…HomotopicalAlgebra.LeftHomotopyClass.postcomp · cited by 4LeftHomotopyClass.postcompHomotopicalAlgebra.LeftHomotopyClass.mk_eq_mk_iff · cited by 3LeftHomotopyClass.mk_eq_m…HomotopicalAlgebra.LeftHomotopyClass.postcomp_bijective_of_fibration_of_weakEquivalence · cited by 3LeftHomotopyClass.postcom…HomotopicalAlgebra.bijective_rightHomotopyClassToHom · cited by 2HomotopicalAlgebra.biject…HomotopicalAlgebra.bijective_leftHomotopyClassToHom_iff_bijective_rightHomotopyClassToHom · cited by 1HomotopicalAlgebra.biject…HomotopicalAlgebra.leftHomotopyClassEquivRightHomotopyClass_mk · cited by 0HomotopicalAlgebra.leftHo…HomotopicalAlgebra.leftHomotopyClassEquivRightHomotopyClass_symm_mk · cited by 0HomotopicalAlgebra.leftHo…HomotopicalAlgebra.leftHomotopyClassToHom_mk · cited by 0HomotopicalAlgebra.leftHo…HomotopicalAlgebra.LeftHomotopyClass.postcomp_bijective_of_weakEquivalence · cited by 0LeftHomotopyClass.postcom…HomotopicalAlgebra.LeftHomotopyClass.postcomp_mk · cited by 0LeftHomotopyClass.postcom…HomotopicalAlgebra.LeftHomotopyClass.sound · cited by 0LeftHomotopyClass.soundHomotopicalAlgebra.CofibrantObject.HoCat.resolutionObj_hom_ext · cited by 0HoCat.resolutionObj_hom_e…HomotopicalAlgebra.BifibrantObject.HoCat.homEquivLeft_apply · cited by 0HoCat.homEquivLeft_applyCategoryTheory.Category · cited by 32673CategoryTheory.CategoryQuiver.Hom · cited by 32603Quiver.HomHomotopicalAlgebra.CategoryWithWeakEquivalences · cited by 77HomotopicalAlgebra.Catego…HomotopicalAlgebra.LeftHomotopyRel · cited by 22HomotopicalAlgebra.LeftHo…HomotopicalAlgebra.LeftHomotopyClass · cited by 15HomotopicalAlgebra.LeftHo…LeftHomotopyClass.mkCITED BYCITES

Cites5

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Cited by16

Results whose statement or proof uses this declaration.