(* Ramification Premises for Nested Load/Store Rule *)

Lemma Lemma1: forall t nf u p w,
legal_nested_field t nf ->
legal_type t ->
nested_field_type t nf = Tint ->
JMeq (proj_reptype t nf u) w ->
data_at t u p |-- mapsto (field_address t nf p) w * TT.