The On-Line Encyclopedia of Bongard Problems

Outline figure on top of solid black figure vs. black figure on top of outline figure.

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	REFERENCE	`M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 228.`
	CROSSREFS	`Adjacent-numbered pages: BP40 BP41 BP42 BP43 BP44 * BP46 BP47 BP48 BP49 BP50`
	KEYWORD	`dual, finished, traditional, viceversa, bongard`
	CONCEPT	`3d_front_back (info \| search),` `outlined_filled (info \| search),` `objects_overlap (info \| search),` `overlap (info \| search),` `texture (info \| search)`
	AUTHOR	`Mikhail M. Bongard`

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