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1 (**************************************************************************)
2 (*       ___                                                              *)
3 (*      ||M||                                                             *)
4 (*      ||A||       A project by Andrea Asperti                           *)
5 (*      ||T||                                                             *)
6 (*      ||I||       Developers:                                           *)
7 (*      ||T||         The HELM team.                                      *)
8 (*      ||A||         http://helm.cs.unibo.it                             *)
9 (*      \   /                                                             *)
10 (*       \ /        This file is distributed under the terms of the       *)
11 (*        v         GNU General Public License Version 2                  *)
12 (*                                                                        *)
13 (**************************************************************************)
14
15 include "static_2/static/fdeq.ma".
16 include "static_2/static/aaa_rdeq.ma".
17
18 (* ATONIC ARITY ASSIGNMENT ON TERMS *****************************************)
19
20 (* Properties with sort-irrelevant equivalence on referred entries **********)
21
22 lemma aaa_fdeq_conf: ∀G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ≛ ⦃G2, L2, T2⦄ → 
23                      ∀A. ⦃G1, L1⦄ ⊢ T1 ⁝ A → ⦃G2, L2⦄ ⊢ T2 ⁝ A.
24 #G1 #G2 #L1 #L2 #T1 #T2 * -G2 -L2 -T2
25 /2 width=5 by aaa_tdeq_conf_rdeq/ qed-.