matita/matita/contribs/lambda_delta/Ground_2/notation.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 (* GENERAL NOTATION USED BY THE FORMAL SYSTEM λδ ****************************)
  16
  17 (* Subsets ******************************************************************)
  18
  19 notation "hvbox( T ϵ break R )"
  20    non associative with precedence 45
  21    for @{ 'InSubset $T $R }.
  22
  23 (* Lists ********************************************************************)
  24
  25 notation "hvbox( hd break :: tl )"
  26   right associative with precedence 47
  27   for @{'Cons $hd $tl}.
  28
  29 notation "hvbox( l1 break @ l2)"
  30   right associative with precedence 47
  31   for @{'Append $l1 $l2 }.