update for the article

[helm.git] / matita / matita / contribs / lambdadelta / static_2 / syntax / tdeq_ext.ma

diff --git a/matita/matita/contribs/lambdadelta/static_2/syntax/tdeq_ext.ma b/matita/matita/contribs/lambdadelta/static_2/syntax/tdeq_ext.ma
deleted file mode 100644 (file)
index 09f7c5a..0000000
--- a/matita/matita/contribs/lambdadelta/static_2/syntax/tdeq_ext.ma
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@@ -1,40 +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/notation/relations/stareq_3.ma".
-include "static_2/syntax/cext2.ma".
-include "static_2/syntax/tdeq.ma".
-
-(* EXTENDED SORT-IRRELEVANT EQUIVALENCE *************************************)
-
-definition tdeq_ext: relation bind ≝
-                     ext2 tdeq.
-
-definition cdeq: relation3 lenv term term ≝
-                 λL. tdeq.
-
-definition cdeq_ext: relation3 lenv bind bind ≝
-                     cext2 cdeq.
-
-interpretation
-   "context-free sort-irrelevant equivalence (binder)"
-   'StarEq I1 I2 = (tdeq_ext I1 I2).
-
-interpretation
-   "context-dependent sort-irrelevant equivalence (term)"
-   'StarEq L T1 T2 = (cdeq L T1 T2).
-
-interpretation
-   "context-dependent sort-irrelevant equivalence (binder)"
-   'StarEq L I1 I2 = (cdeq_ext L I1 I2).