matita/matita/contribs/limits/preamble.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 (* Project started Wed Oct 12, 2005 ***************************************)
  16 (* Project taken over by "formal_topology" and restarted Mon Apr 6, 2009 **)
  17 (* Project taken over by "lambdadelta" and restarted Sun Sept 20, 2015 ****)
  18
  19 include "basics/logic.ma".
  20 include "../lambdadelta/ground_2/notation/xoa/false_0.ma".
  21 include "../lambdadelta/ground_2/notation/xoa/true_0.ma".
  22
  23 interpretation "logical false" 'false = False.
  24
  25 interpretation "logical true" 'true = True.