∫ Утверждение Mathlib
cycles_ext_iff
Mathlib.Algebra.Homology.ShortComplex.LeftHomology
URI: https://scilib.ai/kg/mathlib#CategoryTheory.ShortComplex.cycles_ext_iff
∫ Утверждение Mathlib
Mathlib.Algebra.Homology.ShortComplex.LeftHomology
URI: https://scilib.ai/kg/mathlib#CategoryTheory.ShortComplex.cycles_ext_iff