update in basic_2

[helm.git] / matita / matita / contribs / lambdadelta / static_2 / etc / teqx / req_length.etc

diff --git a/matita/matita/contribs/lambdadelta/static_2/etc/teqx/req_length.etc b/matita/matita/contribs/lambdadelta/static_2/etc/teqx/req_length.etc
deleted file mode 100644 (file)
index e5bd7b4..0000000
--- a/matita/matita/contribs/lambdadelta/static_2/etc/teqx/req_length.etc
+++ /dev/null
@@ -1,36 +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/rex_length.ma".
-include "static_2/static/rex_fsle.ma".
-include "static_2/static/req.ma".
-
-(* SYNTACTIC EQUIVALENCE FOR LOCAL ENVIRONMENTS ON REFERRED ENTRIES *********)
-
-(* Advanved properties with free variables inclusion ************************)
-
-lemma req_fsge_comp:
-      rex_fsge_compatible ceq.
-#L1 #L2 #T #H elim H #f1 #Hf1 #HL12
-lapply (frees_req_conf … Hf1 … H) -H
-lapply (sex_fwd_length … HL12)
-/3 width=8 by lveq_length_eq, ex4_4_intro/ (**) (* full auto fails *)
-qed-.
-
-(* Advanced properties ******************************************************)
-
-(* Basic_2A1: uses: lleq_sym *)
-lemma req_sym (T):
-      symmetric … (req T).
-/3 width=1 by req_fsge_comp, rex_sym/ qed-.