The On-Line Encyclopedia of Bongard Problems

Bongard Problem with solution relating to concept: perpendicular vs. Bongard Problem unrelated to this concept.

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	CROSSREFS	`Adjacent-numbered pages: BP980 BP981 BP982 BP983 BP984 * BP986 BP987 BP988 BP989 BP990`
	KEYWORD	`meta (see left/right), links, metaconcept`
	CONCEPT	`This MBP is about BPs that feature concept: "perpendicular"`
	WORLD	`bp [smaller \| same \| bigger]`
	AUTHOR	`Aaron David Fairbanks`

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