matita/matita/contribs/ng_assembly/num/word16_lemmas.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 (* ********************************************************************** *)
  16 (*                          Progetto FreeScale                            *)
  17 (*                                                                        *)
  18 (*   Sviluppato da: Ing. Cosimo Oliboni, oliboni@cs.unibo.it              *)
  19 (*   Sviluppo: 2008-2010                                                  *)
  20 (*                                                                        *)
  21 (* ********************************************************************** *)
  22
  23 include "num/word16.ma".
  24 include "num/byte8_lemmas.ma".
  25
  26 (* **** *)
  27 (* WORD *)
  28 (* **** *)
  29
  30 ndefinition word16_destruct_1 ≝ cn_destruct_1 word16.
  31 ndefinition word16_destruct_2 ≝ cn_destruct_2 word16.
  32
  33 ndefinition symmetric_eqw16 ≝ symmetric_eqcn ? eq_b8 symmetric_eqb8.
  34
  35 ndefinition eqw16_to_eq ≝ eqcn_to_eq ? eq_b8 eqb8_to_eq.
  36 ndefinition eq_to_eqw16 ≝ eq_to_eqcn ? eq_b8 eq_to_eqb8.
  37
  38 ndefinition decidable_w16 ≝ decidable_cn ? decidable_b8.
  39
  40 ndefinition neqw16_to_neq ≝ neqcn_to_neq ? eq_b8 neqb8_to_neq.
  41 ndefinition neq_to_neqw16 ≝ neq_to_neqcn ? eq_b8 neq_to_neqb8 decidable_b8.