fact: Definition pre_state (m : Method) (st : State.t) : State.t := [ st@fr@preheap, pre_frame m st@fr , st@adds].
imports: Coq(List) Coq(ListSet) Coq(FSetInterface) Coq(Bool) Coq(ZArith) Coq(Relation_Operators) JML(ListHelpers)