The On-Line Encyclopedia of Bongard Problems

Squares are either all empty or all contain something vs. not so.

(edit; present; nest [left/right]; search; history)

	CROSSREFS	`Adjacent-numbered pages: BP255 BP256 BP257 BP258 BP259 * BP261 BP262 BP263 BP264 BP265`
	KEYWORD	`traditional`
	CONCEPT	`all (info \| search),` `or (info \| search),` `empty (info \| search)`
	AUTHOR	`Carla Rispoli`

		Hints
(Greetings from The On-Line Encyclopedia of Bongard Problems!)