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Commit 2022-03-17 07:17 87ab09ca

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feat(category_theory/abelian/injective_resolution): homotopy between descents of morphism and two injective resolutions (#12743) This pr contains the following

  • category_theory.InjectiveResolution.desc_homotopy: Any two descents of the same morphism are homotopic.
  • category_theory.InjectiveResolution.homotopy_equiv: Any two injective resolutions of the same object are homotopically equivalent.

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