1 (**************************************************************************)
4 (* ||A|| A project by Andrea Asperti *)
6 (* ||I|| Developers: *)
7 (* ||T|| The HELM team. *)
8 (* ||A|| http://helm.cs.unibo.it *)
10 (* \ / This file is distributed under the terms of the *)
11 (* v GNU General Public License Version 2 *)
13 (**************************************************************************)
15 include "ground/relocation/tr_id_pap.ma".
16 include "ground/relocation/tr_compose_pap.ma".
17 include "ground/relocation/tr_pap_eq.ma".
19 (* IDENTITY ELEMENT FOR TOTAL RELOCATION MAPS *******************************)
21 (* Coonstructions with tr_compose *******************************************)
23 lemma tr_compose_id_sn (f):
25 #f @nstream_eq_inv_ext #q //
28 lemma tr_compose_id_dx (f):
30 #f @nstream_eq_inv_ext #q //