matita/matita/contribs/lambdadelta/ground_2/etc/lib/oplus_4.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 (* GENERAL NOTATION USED BY THE FORMAL SYSTEM λδ ****************************)
  16
  17 notation < "hvbox( l1 ⊕ break l2 )"
  18   left associative with precedence 60
  19   for @{ 'OPlus $A $B $l1 $l2 }.
  20
  21 notation > "hvbox( l1 ⊕ break l2 )"
  22   left associative with precedence 60
  23   for @{ 'OPlus ? ? $l1 $l2 }.
  24 (*
  25 (**) fix pair notation
  26 notation > "hvbox( l1 ⊕{ break term 46 A, break term 46 A } break term 61 l2 )"
  27   non associative with precedence 60
  28   for @{ 'OPlus $A $B $l1 $l2 }.
  29 *)