matita/matita/contribs/lambdadelta/ground/relocation/tr_id_pap.ma

   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 "ground/relocation/tr_pap_pushs.ma".
  16 include "ground/relocation/tr_id_pushs.ma".
  17
  18 (* IDENTITY ELEMENT FOR TOTAL RELOCATION MAPS *******************************)
  19
  20 (* Coonstructions with tr_pap ***********************************************)
  21
  22 lemma tr_id_pap (p):
  23       p = 𝐢@❨p❩.
  24 #p >(tr_pushs_id p)
  25 /2 width=1 by tr_pap_pushs_le/
  26 qed.