src/HOL/ex/Puzzle.thy
author nipkow
Mon, 15 Nov 1999 09:41:06 +0100
changeset 8018 bedd0beabbae
parent 2222 a3fb552f10e3
child 13116 baabb0fd2ccf
permissions -rw-r--r--
Streamlined it a bit.

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

A question from "Bundeswettbewerb Mathematik"
*)

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