matita/contribs/LAMBDA-TYPES/LambdaDelta-1/llt/defs.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 (* This file was automatically generated: do not edit *********************)
  16
  17 set "baseuri" "cic:/matita/LAMBDA-TYPES/LambdaDelta-1/llt/defs".
  18
  19 include "A/defs.ma".
  20
  21 definition lweight:
  22  A \to nat
  23 \def
  24  let rec lweight (a: A) on a: nat \def (match a with [(ASort _ _) \Rightarrow
  25 O | (AHead a1 a2) \Rightarrow (S (plus (lweight a1) (lweight a2)))]) in
  26 lweight.
  27
  28 definition llt:
  29  A \to (A \to Prop)
  30 \def
  31  \lambda (a1: A).(\lambda (a2: A).(lt (lweight a1) (lweight a2))).
  32