Module CSHL_Defs := DerivedDefs(CSHL_Def).
(***************** SEMAX_LEMMAS ****************)

Axiom semax_seq:
forall{CS: compspecs} {Espec: OracleKind},
forall Delta R P Q h t,
@semax CS Espec Delta P h (overridePost Q R) ->
@semax CS Espec Delta Q t R ->
@semax CS Espec Delta P (Ssequence h t) R.