+++ /dev/null
-(**************************************************************************)
-(* ___ *)
-(* ||M|| *)
-(* ||A|| A project by Andrea Asperti *)
-(* ||T|| *)
-(* ||I|| Developers: *)
-(* ||T|| The HELM team. *)
-(* ||A|| http://helm.cs.unibo.it *)
-(* \ / *)
-(* \ / This file is distributed under the terms of the *)
-(* v GNU General Public License Version 2 *)
-(* *)
-(**************************************************************************)
-
-include "basic_2/static/lfeq_fsle.ma".
-include "basic_2/static/lfdeq.ma".
-
-(* DEGREE-BASED EQUIVALENCE FOR LOCAL ENVIRONMENTS ON REFERRED ENTRIES ******)
-
-(* Properties with syntactic equivalence on referred entries ****************)
-
-lemma lfeq_lfdeq: ∀h,o,L1,L2. ∀T:term. L1 ≡[T] L2 → L1 ≛[h, o, T] L2.
-/2 width=3 by lfxs_co/ qed.
-
-lemma lfeq_lfdeq_trans: ∀h,o,L1,L. ∀T:term. L1 ≡[T] L →
- ∀L2. L ≛[h, o, T] L2 → L1 ≛[h, o, T] L2.
-/2 width=3 by lfeq_lfxs_trans/ qed-.