The On-Line Encyclopedia of Bongard Problems

Bongard Problem with solution relating to concept: front / back (in 3-d) vs. Bongard Problem unrelated to this concept.

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

	CROSSREFS	`Adjacent-numbered pages: BP634 BP635 BP636 BP637 BP638 * BP640 BP641 BP642 BP643 BP644`
	KEYWORD	`meta (see left/right), links, metaconcept, primitive`
	CONCEPT	`This MBP is about BPs that feature concept: "3d_front_back"`
	WORLD	`bp [smaller \| same \| bigger]`
	AUTHOR	`Harry E. Foundalis`

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