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ex/Puzzle.thy
author lcp
Tue, 08 Nov 1994 11:21:33 +0100
changeset 166 c59c471126ab
parent 0 7949f97df77a
permissions -rw-r--r--
HOL/ROOT/HOL_dup_cs: removed as obsolete HOL/ROOT: now passes "classical" to Classical_Fun HOL/ROOT: no longer proves rev_cut_eq for hyp_subst_tac
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(*  Title: 	HOL/ex/puzzle.thy
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    ID:         $Id$
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    Author: 	Tobias Nipkow
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    Copyright   1993 TU Muenchen
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An question from "Bundeswettbewerb Mathematik"













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*)













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Puzzle = Nat +













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consts f :: "nat => nat"













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rules  f_ax "f(f(n)) < f(Suc(n))"













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end















Old_HOL