src/HOL/AxClasses/Product.thy
author paulson
Mon, 05 Mar 2001 15:25:11 +0100
changeset 11193 851c90b23a9e
parent 10681 ec76e17f73c5
child 12338 de0f4a63baa5
permissions -rw-r--r--
reorganization of HOL/UNITY, moving examples to subdirectories Simple and Comp

(*  Title:      HOL/AxClasses/Product.thy
    ID:         $Id$
    Author:     Markus Wenzel, TU Muenchen
    License:    GPL (GNU GENERAL PUBLIC LICENSE)
*)

theory Product = Main:

axclass product < "term"

consts
  product :: "'a::product => 'a => 'a"    (infixl "[*]" 70)


instance bool :: product
  by intro_classes

defs (overloaded)
  product_bool_def: "x [*] y == x & y"

end