proposition: Lemma In_InA: forall x l, InA LocSet.E.eq x l <-> In x l.
proof: Proof. intros. induction l. simpl. intuition. inversion H. simpl. intuition. inversion H1. subst. left. auto. subst. right. apply H;trivial. Qed.
imports: Coq(List) JML(Stack) Coq(ListSet) Coq(Bool) Coq(ZArith) Coq(Relation_Operators) JML(ListHelpers) Coq(Classical) Coq(DecidableType) Coq(FSetInterface) Coq(FSetProperties) Coq(FSetEqProperties) Coq(FSetFacts) Coq(Sumbool) Coq(Lia)