+++ /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/notation/relations/stareq_5.ma".
-include "basic_2/syntax/cext2.ma".
-include "basic_2/syntax/tdeq.ma".
-
-(* EXTENDED DEGREE-BASED EQUIVALENCE ****************************************)
-
-definition tdeq_ext: ∀h. sd h → relation bind ≝
- λh,o. ext2 (tdeq h o).
-
-definition cdeq: ∀h. sd h → relation3 lenv term term ≝
- λh,o,L. tdeq h o.
-
-definition cdeq_ext: ∀h. sd h → relation3 lenv bind bind ≝
- λh,o. cext2 (cdeq h o).
-
-interpretation
- "context-free degree-based equivalence (binder)"
- 'StarEq h o I1 I2 = (tdeq_ext h o I1 I2).
-
-interpretation
- "context-dependent degree-based equivalence (term)"
- 'StarEq h o L T1 T2 = (cdeq h o L T1 T2).
-
-interpretation
- "context-dependent degree-based equivalence (binder)"
- 'StarEq h o L I1 I2 = (cdeq_ext h o L I1 I2).