The On-Line Encyclopedia of Bongard Problems

Search: concept:concave_convex_region

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Triangle located at the concave side of an arc vs. triangle located at the convex side of an arc.

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	REFERENCE	`M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 238.`
	CROSSREFS	`Adjacent-numbered pages: BP70 BP71 BP72 BP73 BP74 * BP76 BP77 BP78 BP79 BP80`
	KEYWORD	`finished, traditional, bongard`
	CONCEPT	`concave_convex_region (info \| search),` `on_sides_of_curve (info \| search),` `triangle (info \| search)`
	WORLD	`[smaller \| same \| bigger]`
	AUTHOR	`Mikhail M. Bongard`

Mouth concave upwards vs. Mouth convex upwards.

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	CROSSREFS	`Adjacent-numbered pages: BP210 BP211 BP212 BP213 BP214 * BP216 BP217 BP218 BP219 BP220`
	CONCEPT	`concave_convex_region (info \| search),` `downward_upward (info \| search),` `line_absolute_direction (info \| search),` `absolute_direction (info \| search),` `direction (info \| search)`
	AUTHOR	`Giuseppe Insana`

Notch from above (holds poured water) vs. no notch from above (does not hold poured water).

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	CROSSREFS	`Adjacent-numbered pages: BP269 BP270 BP271 BP272 BP273 * BP275 BP276 BP277 BP278 BP279`
	KEYWORD	`notso, physics`
	CONCEPT	`concave_convex_region (info \| search),` `downward_upward (info \| search),` `line_absolute_direction (info \| search),` `absolute_direction (info \| search),` `direction (info \| search),` `liquid_flow (info \| search),` `gravity (info \| search)`
	WORLD	`arial_font_centered_connected_symbol [smaller \| same \| bigger]`
	AUTHOR	`Merse E. Gáspár`

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