fact: Definition forFold {A B : Type} (b : B) (v : list A) (f : B → A → B) : B := fold_left f v b.
imports: Coq.Lists.List Equations(Equations) Equations.Type.EqDec Category.Lib Category.Theory.Coq.Functor Category.Theory.Coq.Applicative Category.Theory.Coq.Monad Category.Theory.Coq.Maybe Coq.Lists.List