Set Bullet Behavior "Strict Subproofs".
Set Implicit Arguments.
Require Export FcEtt.tactics.
Require Export FcEtt.imports.
Require Export FcEtt.ett_inf.
Require Export FcEtt.ett_ott.
Require Export FcEtt.ett_ind.
Require Export FcEtt.ext_context_fv.
Require Export FcEtt.toplevel.
(* ------------------------------------------ *)
(* Paths *)

Lemma DataTy_co_subst_co_tm : forall b x A,
DataTy A a_Star -> lc_co b -> DataTy (co_subst_co_tm b x A) a_Star.