fact: Definition map_snd : (Y -> Z) -> X * Y -> X * Z := fun f '(x,y) => (x, f y).
imports: Undecidability.Shared.Libs.PSL.FiniteTypes.FinTypes Undecidability.Shared.Libs.PSL.FiniteTypes.BasicFinTypes Undecidability.Shared.Libs.PSL.FiniteTypes.CompoundFinTypes Undecidability.Shared.Libs.PSL.FiniteTypes.VectorFin Undecidability.Shared.Libs.PSL.Vectors.FinNotation Undecidability.Shared.Libs.PSL.Inhabited Undecidability.Shared.Libs.PSL.Base Undecidability.Shared.Libs.PSL.Vectors.Vectors Lia