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/pr_eq.ma".
16 include "ground/relocation/pr_pushs.ma".
18 (* ITERATED PUSH FOR PARTIAL RELOCATION MAPS ********************************)
20 (* Constructions with pr_eq *************************************************)
23 lemma pr_pushs_eq_repl (n):
24 pr_eq_repl (λf1,f2. ⫯*[n] f1 ≐ ⫯*[n] f2).
25 #n @(nat_ind_succ … n) -n
26 /3 width=5 by pr_eq_push/