matita/matita/contribs/limits/notation/equiv_3.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 (* NOTATION (equivalence relation) ************************************)
  16
  17 notation > "hvbox(a break ∼ term 46 b)"
  18   non associative with precedence 45
  19   for @{ 'Equiv ? $a $b }.
  20
  21 notation < "hvbox(term 46 a break maction (∼) (∼\sub t) term 46 b)"
  22   non associative with precedence 45
  23   for @{ 'Equiv $t $a $b }.