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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/relocation/tr_map.ma".
16 include "delayed_updating/notation/functions/upspoonverticalbar_2.ma".
18 (* PUSH FOR STACKS OF BASIC RELOCATION MAPS *********************************)
20 definition sbr_push (p:pnat) (f): tr_map ≝ (↑p)⨮f.
23 "push (stack of basic relocation maps)"
24 'UpSpoonVerticalBar n f = (sbr_push n f).
26 (* Basic properties *********************************************************)
28 lemma sbr_push_unfold (p) (f):