matita/matita/contribs/RELATIONAL/datatypes/List.ma

   1 (**************************************************************************)
   2 (*       ___                                                              *)
   3 (*      ||M||                                                             *)
   4 (*      ||A||       A project by Andrea Asperti                           *)
   5 (*      ||T||                                                             *)
   6 (*      ||I||       Developers:                                           *)
   7 (*      ||T||         The HELM team.                                      *)
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   9 (*      \   /                                                             *)
  10 (*       \ /        This file is distributed under the terms of the       *)
  11 (*        v         GNU General Public License Version 2                  *)
  12 (*                                                                        *)
  13 (**************************************************************************)
  14
  15
  16
  17 include "preamble.ma".
  18
  19 inductive List (A: Type): Type \def
  20    | nil: List A
  21    | cons: List A \to A \to List A
  22 .
  23
  24 (*CSC: the URI must disappear: there is a bug now *)
  25 interpretation "nil" 'nil =
  26    (cic:/matita/RELATIONAL/datatypes/List/List.ind#xpointer(1/1) ?).
  27
  28 notation "hvbox([])"
  29   non associative with precedence 95
  30 for @{ 'nil }.
  31
  32 (*CSC: the URI must disappear: there is a bug now *)
  33 interpretation "right cons" 'rcons x y =
  34    (cic:/matita/RELATIONAL/datatypes/List/List.ind#xpointer(1/2) ? x y).
  35
  36 notation "hvbox([a break @ b])"
  37   non associative with precedence 95
  38 for @{ 'rcons $a $b}.
  39