Section NESTED_RAMIF.
Context {cs: compspecs}.
End NESTED_RAMIF.

Lemma insert_corable_sep: forall R1 P Q R,
corable R1 ->
`R1 && PROPx P (LOCALx Q (SEPx R)) = PROPx P (LOCALx Q (SEPx (R1 && emp :: R))).