login
Hints
(Greetings from The On-Line Encyclopedia of Bongard Problems!)
BP174 Convex central interior vs. concave central interior.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP169 BP170 BP171 BP172 BP173  *  BP175 BP176 BP177 BP178 BP179

KEYWORD

noisy, traditional

CONCEPT concave_convex_angle (info | search)

AUTHOR

Harry E. Foundalis

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