update in static_2

[helm.git] / matita / matita / contribs / lambdadelta / static_2 / static / feqx_req.ma

diff --git a/matita/matita/contribs/lambdadelta/static_2/static/feqx_req.ma b/matita/matita/contribs/lambdadelta/static_2/static/feqx_req.ma
deleted file mode 100644 (file)
index 466275a..0000000
--- a/matita/matita/contribs/lambdadelta/static_2/static/feqx_req.ma
+++ /dev/null
@@ -1,27 +0,0 @@
-(**************************************************************************)
-(*       ___                                                              *)
-(*      ||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 "static_2/static/reqx_req.ma".
-include "static_2/static/feqx.ma".
-
-(* SORT-IRRELEVANT EQUIVALENCE FOR CLOSURES ON REFERRED ENTRIES *************)
-
-(* Properties with syntactic equivalence on referred entries ****************)
-
-lemma req_feqx_trans: ∀L1,L,T1. L1 ≡[T1] L →
-                      ∀G1,G2,L2,T2. ❪G1,L,T1❫ ≛ ❪G2,L2,T2❫ → ❪G1,L1,T1❫ ≛ ❪G2,L2,T2❫.
-#L1 #L #T1 #HL1 #G1 #G2 #L2 #T2 #H
-elim (feqx_inv_gen_sn … H) -H #H #HL2 #T12 destruct
-/3 width=3 by feqx_intro_sn, req_reqx_trans/
-qed-.