matita/contribs/LAMBDA-TYPES/LambdaDelta-1/T/defs.ma

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   3 (*      ||M||                                                             *)
   4 (*      ||A||       A project by Andrea Asperti                           *)
   5 (*      ||T||                                                             *)
   6 (*      ||I||       Developers:                                           *)
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  10 (*       \ /        This file is distributed under the terms of the       *)
  11 (*        v         GNU General Public License Version 2                  *)
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  14
  15 (* This file was automatically generated: do not edit *********************)
  16
  17 include "LambdaDelta-1/preamble.ma".
  18
  19 inductive B: Set \def
  20 | Abbr: B
  21 | Abst: B
  22 | Void: B.
  23
  24 inductive F: Set \def
  25 | Appl: F
  26 | Cast: F.
  27
  28 inductive K: Set \def
  29 | Bind: B \to K
  30 | Flat: F \to K.
  31
  32 inductive T: Set \def
  33 | TSort: nat \to T
  34 | TLRef: nat \to T
  35 | THead: K \to (T \to (T \to T)).
  36
  37 definition tweight:
  38  T \to nat
  39 \def
  40  let rec tweight (t: T) on t: nat \def (match t with [(TSort _) \Rightarrow
  41 (S O) | (TLRef _) \Rightarrow (S O) | (THead _ u t0) \Rightarrow (S (plus
  42 (tweight u) (tweight t0)))]) in tweight.
  43