Mercurial Mercurial > repos > Old_HOL / file revision
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | comparison | raw | help
Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
ex/puzzle.thy
author clasohm
Wed, 02 Nov 1994 15:26:13 +0100
changeset 157 45d0cf6e309d
parent 0 7949f97df77a
permissions -rw-r--r--
added IOA files

(*  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
Old_HOL