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 *)
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15 include "ground_2/relocation/nstream_id.ma".
16 include "ground_2/relocation/rtmap_isid.ma".
18 (* RELOCATION MAP ***********************************************************)
20 (* Basic properties *********************************************************)
22 lemma id_isid: đâŚđđâŚ.
23 /3 width=5 by eq_push_isid/ qed.
25 (* Alternative definition of isid *******************************************)
27 lemma eq_id_isid: âf. đđ â f â đâŚfâŚ.
28 /2 width=3 by isid_eq_repl_back/ qed.
30 lemma eq_id_inv_isid: âf. đâŚf⌠â đđ â f.
31 /2 width=1 by isid_inv_eq_repl/ qed-.