ex/Puzzle.thy
author lcp
Thu, 06 Apr 1995 11:49:42 +0200
changeset 246 0f9230a24164
parent 0 7949f97df77a
permissions -rw-r--r--
Deleted extra space in clos_mk.

(*  Title: 	HOL/ex/puzzle.thy
    ID:         $Id$
    Author: 	Tobias Nipkow
    Copyright   1993 TU Muenchen

An question from "Bundeswettbewerb Mathematik"
*)

Puzzle = Nat +
consts f :: "nat => nat"
rules  f_ax "f(f(n)) < f(Suc(n))"
end