End VAL_INJ_OPS.
End Val.
Notation meminj := Val.meminj.
(** Monotone evolution of a memory injection. *)
Definition inject_incr (f1 f2: meminj) : Prop :=
forall b b' delta, f1 b = Some(b', delta) -> f2 b = Some(b', delta).

Lemma inject_incr_refl :
forall f , inject_incr f f .