∫ Утверждение Mathlib
toFun_eq_coe
Mathlib.Combinatorics.Enumerative.IncidenceAlgebra
URI: https://scilib.ai/kg/mathlib#IncidenceAlgebra.toFun_eq_coe
∫ Утверждение Mathlib
Mathlib.Combinatorics.Enumerative.IncidenceAlgebra
URI: https://scilib.ai/kg/mathlib#IncidenceAlgebra.toFun_eq_coe