login
Hints
(Greetings from The On-Line Encyclopedia of Bongard Problems!)
Search: author:Douglas R. Hofstadter
Displaying 21-30 of 56 results found. ( prev | next )     page 1 2 3 4 5 6
     Sort: recent      Format: long      Filter: (all | no meta | meta)      Mode: (words | no words)
BP136
BP135
BP134
BP133
BP132
BP131
BP130
BP129
BP128
BP127
( prev | next )     page 1 2 3 4 5 6

Welcome | Solve | Browse | Lookup | Recent | Links | Register | Contact
Contribute | Keywords | Concepts | Worlds | Ambiguities | Transformations | Invalid Problems | Style Guide | Goals | Glossary