See BP829 and BP968 (flipped) for versions with pictures of Bongard Problems (@miniproblems) instead of @links to pages on the OEBP.

See BP829 and BP968 for versions with pictures of Bongard Problems (@miniproblems) instead of @links to pages on the OEBP.

Invalid Bongard Problems vs. valid Bongard Problems.

See BP829 and BP968 for versions with pictures of Bongard Problems instead of links to pages on the OEBP.

Bongard Problems that break the rules or spirit of Bongard Problems but are interesting enough to keep in the database.

See BP829 and BP968 and for semi-meta analogues.

See BP968 for the semi-meta analogue.