Section SOUNDNESS_CONSTRUCTORS.
Variable ce: composite_env.
Variable e: typenv.
Variable rt: type.

(* Specifications: *)
Corollary check_rval_wt:
forall a x, wt_expr ce e a -> check_rval a = OK x -> wt_rvalue ce e a.
Corollary check_lval_wt:
forall a x, wt_expr ce e a -> check_lval a = OK x -> wt_lvalue ce e a.