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CategoryTheory.ShortComplex.Homotopy.eq_add_nullHomotopic
Modification history
2023-11-01 07:43
Mathlib/Algebra/Homology/ShortComplex/Preadditive.lean
feat: more API for homotopies of short complexes (#8069)
Added
CategoryTheory.ShortComplex.Homotopy.eq_add_nullHomotopic
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