proposition: Lemma combine_map_r {A B B'} (g : B -> B') ls ls' : List.combine ls (List.map g ls') = List.map (fun x : A * B => (fst x, g (snd x))) (List.combine ls ls').
proof: Proof. revert ls'; induction ls as [|l ls IHls]; intros [|l' ls']; simpl; f_equal. eauto with nocore. Qed.
imports: Fiat.Common.Coq__8_4__8_5__Compat Coq.ZArith.ZArith Coq.Lists.List Coq.Lists.SetoidList Coq.Bool.Bool Fiat.Common Fiat.Common.List.Operations Fiat.Common.Equality Fiat.Common.List.FlattenList Fiat.Common.LogicFacts