Module ConseqFacts := GenConseqFacts (Def) (Conseq).

Theorem semax_set_forward: forall {CS: compspecs} {Espec: OracleKind} (Delta: tycontext),
forall (P: environ->mpred) id e,
@semax CS Espec Delta
(|> ( (tc_expr Delta e) &&
(tc_temp_id id (typeof e) Delta e) &&
P))
(Sset id e)
(normal_ret_assert
(EX old:val, local (`eq (eval_id id) (subst id (`old) (eval_expr e))) &&
subst id (`old) P)).