Mercurial Mercurial > repos > Old_HOL / annotate
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 lcp
Wed, 01 Dec 1993 13:05:25 +0100
changeset 22 17b6487e1ac7
parent 0 7949f97df77a
permissions -rw-r--r--
HOL/llist/LList_corec_subset1: does not need induction
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
7949f97df77a Initial revision
clasohm
parents:
diff changeset 
     1
 
(*  Title: 	HOL/ex/puzzle.thy
7949f97df77a Initial revision
clasohm
parents:
diff changeset 
     2
 
    ID:         $Id$
7949f97df77a Initial revision
clasohm
parents:
diff changeset 
     3
 
    Author: 	Tobias Nipkow
7949f97df77a Initial revision
clasohm
parents:
diff changeset 
     4
 
    Copyright   1993 TU Muenchen
7949f97df77a Initial revision
clasohm
parents:
diff changeset 
     5
 












7949f97df77a
Initial revision



clasohm


parents: 

diff
changeset




     6


An question from "Bundeswettbewerb Mathematik"













7949f97df77a
Initial revision



clasohm


parents: 

diff
changeset




     7


*)













7949f97df77a
Initial revision



clasohm


parents: 

diff
changeset




     8














7949f97df77a
Initial revision



clasohm


parents: 

diff
changeset




     9


Puzzle = Nat +













7949f97df77a
Initial revision



clasohm


parents: 

diff
changeset




    10


consts f :: "nat => nat"













7949f97df77a
Initial revision



clasohm


parents: 

diff
changeset




    11


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













7949f97df77a
Initial revision



clasohm


parents: 

diff
changeset




    12


end















Old_HOL