End RAMIF_PLAIN.
End RAMIF_PLAIN.
Module RAMIF_Q.
Section RAMIF_Q.
Context {A : Type}.
Context {ND : NatDed A}.
Context {SL : SepLog A}.

Lemma frame_pre: forall {B} g l (g' l': B -> A) F,
g |-- l * allp (l' -* g') ->
g * F |-- (l * F) * allp (l' -* g').