fact: Definition map (A B : Type) (f : A -> B) (E : list (X.t*A)) : list (X.t*B) := List.map (fun b => match b with (x, a) => (x, f a) end) E.
imports: Coq.FSets.FSets Coq.Lists.List Coq.Logic.Decidable Coq.Strings.String String Metalib.CoqFSetDecide Metalib.CoqListFacts Metalib.LibTactics Metalib.CoqFSetInterface Coq.Classes.Equivalence Coq.Classes.EquivDec Metalib.CoqEqDec