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.

(** comment *)
Lemma Beta_lc1 : forall a a' , Beta a a' -> lc_tm a.