matita/matita/lib/lambda/lambda_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 (* NOTATION FOR THE LAMBDA CALCULUS *******************************************)
  16
  17 (* lifting, substitution *)
  18
  19 notation "hvbox(M break [ l ])"
  20    non associative with precedence 90
  21    for @{'Subst1 $M $l}.
  22
  23 (* evaluation, interpretation *)
  24
  25 notation "hvbox(〚term 90 T〛)"
  26    non associative with precedence 50
  27    for @{'Eval $T}.
  28
  29 notation "hvbox(〚term 90 T〛 break _ [term 90 E])"
  30    non associative with precedence 50
  31    for @{'Eval1 $T $E}.
  32
  33 notation "hvbox(〚term 90 T〛 break _ [term 90 E1 break , term 90 E2])"
  34    non associative with precedence 50
  35    for @{'Eval2 $T $E1 $E2}.