fact: Parameter RState : forall Val1 Val2, (Val1 -> Val2 -> Prop) -> State Val1 -> State Val2 -> Prop.
imports: Coq(FunctionalExtensionality Arith Lia) Coq(Arith.Peano_dec Arith.Compare_dec) Coq(Relations.Relation_Operators) Coq(List) Chapar(Predefs)