The On-Line Encyclopedia of Bongard Problems

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BP557

Equal horizontal length vs. not

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

	COMMENTS	`All examples in this Problem are pairs of straight line segments.` `This problem communicates the idea of projected distance, in this case from 2D to 1D (x-axis).`
	CROSSREFS	`Adjacent-numbered pages: BP552 BP553 BP554 BP555 BP556 * BP558 BP559 BP560 BP561 BP562`
	KEYWORD	`nice, precise, allsorted, stretch, perfect, unorderedpair, preciseworld`
	CONCEPT	`projection (info \| search)`
	WORLD	`two_segments [smaller \| same \| bigger]`
	AUTHOR	`Leo Crabbe`

BP556

Visual Bongard Problems such that if black and white are switched some examples switch sides vs. visual Bongard Problems that would always sort two switched versions the same way.

	BP157	BP196	BP211	BP337	BP859	BP962
	BP971	BP972	BP1008	BP1161	BP1249	BP1252

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

	COMMENTS	`Left-sorted examples have the keyword "blackwhite" on the OEBP.` `Right-sorted examples have the keyword "blackwhiteinvariant" on the OEBP.` `All examples are visual Bongard Problems that allow black to touch the bounding box (keyword bordercontent).`
	CROSSREFS	`Adjacent-numbered pages: BP551 BP552 BP553 BP554 BP555 * BP557 BP558 BP559 BP560 BP561`
	KEYWORD	`meta (see left/right), links, keyword, invariance, wellfounded`
	CONCEPT	`black_white_inversion (info \| search)`
	WORLD	`visualbp [smaller \| same \| bigger]`
	AUTHOR	`Leo Crabbe`

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