∫ Утверждение Mathlib
leftUnshift_zero
Mathlib.Algebra.Homology.HomotopyCategory.HomComplexShift
URI: https://scilib.ai/kg/mathlib#CochainComplex.HomComplex.Cochain.leftUnshift_zero
∫ Утверждение Mathlib
Mathlib.Algebra.Homology.HomotopyCategory.HomComplexShift
URI: https://scilib.ai/kg/mathlib#CochainComplex.HomComplex.Cochain.leftUnshift_zero