The On-Line Encyclopedia of Bongard Problems

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Curve ends in a roughly up or down direction vs. curve ends in a roughly left or right direction.

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	CROSSREFS	`Adjacent-numbered pages: BP201 BP202 BP203 BP204 BP205 * BP207 BP208 BP209 BP210 BP211`
	KEYWORD	`traditional`
	CONCEPT	`downward_upward (info \| search),` `slope_at_endpoint (info \| search),` `line_or_curve_endpoint (info \| search),` `horizontal (info \| search),` `leftward_rightward (info \| search),` `tangent_absolute_direction (info \| search),` `absolute_direction (info \| search),` `vertical (info \| search),` `direction (info \| search)`
	AUTHOR	`Giuseppe Insana`

Convex hull elongated vertically vs. convex hull elongated horizontally.

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	CROSSREFS	`Adjacent-numbered pages: BP263 BP264 BP265 BP266 BP267 * BP269 BP270 BP271 BP272 BP273`
	CONCEPT	`convex_hull (info \| search),` `elongated_compact (info \| search),` `horizontal (info \| search),` `vertical (info \| search)`
	WORLD	`arial_font_symbols [smaller \| same \| bigger]`
	AUTHOR	`Merse E. Gáspár`

Only vertical or horizontal lines vs. neither vertical nor horizontal lines.

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	CROSSREFS	`Adjacent-numbered pages: BP265 BP266 BP267 BP268 BP269 * BP271 BP272 BP273 BP274 BP275`
	CONCEPT	`or (info \| search),` `horizontal (info \| search),` `vertical (info \| search)`
	WORLD	`arial_font_centered_connected_symbol [smaller \| same \| bigger]`
	AUTHOR	`Merse E. Gáspár`

The left part is wider than the right part vs. the left part is narrower than the right part.

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	CROSSREFS	`Adjacent-numbered pages: BP275 BP276 BP277 BP278 BP279 * BP281 BP282 BP283 BP284 BP285`
	CONCEPT	`convex_hull (info \| search),` `horizontal (info \| search),` `left_right (info \| search),` `length_line_or_curve (info \| search),` `imagined_line_or_curve (info \| search),` `imagined_entity (info \| search),` `vertical (info \| search)`
	WORLD	`arial_font_two_symbols [smaller \| same \| bigger]`
	AUTHOR	`Merse E. Gáspár`

Equal number of horizontal and vertical lines vs. unequal number of horizontal and vertical lines.

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	CROSSREFS	`Adjacent-numbered pages: BP276 BP277 BP278 BP279 BP280 * BP282 BP283 BP284 BP285 BP286`
	KEYWORD	`traditional`
	CONCEPT	`horizontal (info \| search),` `number (info \| search),` `same_number (info \| search),` `same (info \| search),` `vertical (info \| search)`
	WORLD	`segments_cross [smaller \| same \| bigger]`
	AUTHOR	`Sang-Joon Yoon`

A vertical line may pass through both objects vs. no such line exists

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	CROSSREFS	`Adjacent-numbered pages: BP1082 BP1083 BP1084 BP1085 BP1086 * BP1088 BP1089 BP1090 BP1091 BP1092`
	KEYWORD	`easy, notso, rotate, unorderedpair`
	CONCEPT	`vertical (info \| search),` `direction (info \| search)`
	AUTHOR	`William B Holland`

Vertical axis of symmetry vs. no vertical axis of symmetry.

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	COMMENTS	`This was created to be a slightly different version of BP50, "vertical axis of symmetry vs. no axis of symmetry". The solution for this Bongard Problem is also a (less specific) solution for BP50.`
	CROSSREFS	`BP1207 is the same solution but using the horizontal axis instead of the vertical axis.` `BP1215 is the same solution but with the NW/SE diagonal instead of the vertical axis.` `Adjacent-numbered pages: BP1201 BP1202 BP1203 BP1204 BP1205 * BP1207 BP1208 BP1209 BP1210 BP1211`
	KEYWORD	`stub, notso, stretch, left-narrow, traditional`
	CONCEPT	`symmetry_axis (info \| search),` `symmetry (info \| search),` `vertical (info \| search)`
	AUTHOR	`Aaron David Fairbanks`

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