matita/matita/contribs/lambdadelta/ground/etc/relocation/pstream_sor.etc

   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/rtmap_sor.ma".
  16
  17 (* RELOCATION P-STREAM ******************************************************)
  18
  19 axiom union: gr_map → gr_map → gr_map.
  20
  21 interpretation "union (nstream)"
  22    'union f1 f2 = (union f1 f2).
  23
  24 (* Properties on sor (specific) ***********************************************)
  25
  26 axiom sor_total: ∀f1,f2. f1 ⋓ f2 ≘ f1 ∪ f2.