login
Hints
(Greetings from The On-Line Encyclopedia of Bongard Problems!)
Search: BP4
Displaying 1-3 of 3 results found.     page 1
     Sort: relevance      Format: long      Filter: (all | no meta | meta)      Mode: (words | no words)
BP4 Convex vs. concave.
(edit; present; nest [left/right]; search; history)
COMMENTS

All examples in this Problem are outlines of shapes or solid black shapes.

REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 215.

CROSSREFS

BP136 is the same solution (flipped) but with only polygonal outlines and also with extraneous dots distracting from the solution.

Adjacent-numbered pages:
BP1 BP2 BP3  *  BP5 BP6 BP7 BP8 BP9