The On-Line Encyclopedia of Bongard Problems

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All big individual figures vs. all small individual figures.

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	COMMENTS	`All examples in this Problem show one or more connected figures made up of lines.` `Some big shapes and some small shapes would be ambiguous.`
	REFERENCE	`M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 218.`
	CROSSREFS	`See BP2 for the same idea using one shape.` `Adjacent-numbered pages: BP9 BP10 BP11 BP12 BP13 * BP15 BP16 BP17 BP18 BP19`
	KEYWORD	`fuzzy, size, stable, finished, traditional, bongard`
	CONCEPT	`all (info \| search),` `length_line_or_curve (info \| search),` `size (info \| search)`
	WORLD	`curves_drawing [smaller \| same \| bigger]`
	AUTHOR	`Mikhail M. Bongard`

All shapes approximately the same size vs. shapes of different size.

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	COMMENTS	`All examples in this problem include three or fewer outlines of circles, (near-square) quadrilaterals and (non-skinny) triangles.`
	REFERENCE	`M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 221.`
	CROSSREFS	`Adjacent-numbered pages: BP17 BP18 BP19 BP20 BP21 * BP23 BP24 BP25 BP26 BP27`
	KEYWORD	`finished, traditional, bongard`
	CONCEPT	`all (info \| search),` `average (info \| search),` `size (info \| search)`
	WORLD	`circle_triangle_squareish_outlines [smaller \| same \| bigger]`
	AUTHOR	`Mikhail M. Bongard`

Segments approximately parallel to each other vs. large angles between segments.

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	REFERENCE	`M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 226.`
	CROSSREFS	`Adjacent-numbered pages: BP34 BP35 BP36 BP37 BP38 * BP40 BP41 BP42 BP43 BP44`
	KEYWORD	`finished, unorderedtriplet, traditional, bongard`
	CONCEPT	`all (info \| search),` `line_slope (info \| search),` `same (info \| search),` `similar (info \| search),` `three (info \| search),` `parallel (info \| search)`
	WORLD	`three_segments [smaller \| same \| bigger]`
	AUTHOR	`Mikhail M. Bongard`

All figures of the same color vs. figures of different colors.

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	REFERENCE	`M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 232.`
	CROSSREFS	`Adjacent-numbered pages: BP51 BP52 BP53 BP54 BP55 * BP57 BP58 BP59 BP60 BP61`
	KEYWORD	`finished, traditional, bongard`
	CONCEPT	`all (info \| search),` `outlined_filled (info \| search),` `same_feature (info \| search),` `same (info \| search),` `texture (info \| search)`
	AUTHOR	`Mikhail M. Bongard`

Extensions of segments cross at one point vs. extensions of segments do not cross at one point.

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	REFERENCE	`M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 239.`
	CROSSREFS	`Adjacent-numbered pages: BP73 BP74 BP75 BP76 BP77 * BP79 BP80 BP81 BP82 BP83`
	KEYWORD	`finished, unorderedtriplet, traditional, bongard`
	CONCEPT	`all (info \| search),` `lines_coincide (info \| search),` `imagined_point (info \| search),` `imagined_line_or_curve (info \| search),` `imagined_entity (info \| search)`
	WORLD	`three_segments [smaller \| same \| bigger]`
	AUTHOR	`Mikhail M. Bongard`

The chain does not branch vs. the chain branches.

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	REFERENCE	`M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 244.`
	CROSSREFS	`Adjacent-numbered pages: BP87 BP88 BP89 BP90 BP91 * BP93 BP94 BP95 BP96 BP97`
	KEYWORD	`finished, traditional, bongard`
	CONCEPT	`all (info \| search),` `branch_point (info \| search),` `collinear (info \| search),` `existence (info \| search)`
	AUTHOR	`Mikhail M. Bongard`

Petals taper off vs. petals thicken.

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	CROSSREFS	`Adjacent-numbered pages: BP103 BP104 BP105 BP106 BP107 * BP109 BP110 BP111 BP112 BP113`
	KEYWORD	`nice, traditional`
	CONCEPT	`all (info \| search),` `size_increase_decrease (info \| search),` `protrusion (info \| search)`
	AUTHOR	`Douglas R. Hofstadter`

All turns are in one direction and rectangular loop exists vs. turns in different directions and no rectangular loop exists.

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	CROSSREFS	`Adjacent-numbered pages: BP115 BP116 BP117 BP118 BP119 * BP121 BP122 BP123 BP124 BP125`
	KEYWORD	`traditional`
	CONCEPT	`all (info \| search),` `turn_orientation (info \| search),` `tracing_line_or_curve (info \| search),` `turning_direction (info \| search)`
	AUTHOR	`Douglas R. Hofstadter`

Dots collinear with center of circle vs. dots not collinear with center of circle.

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	CROSSREFS	`Adjacent-numbered pages: BP128 BP129 BP130 BP131 BP132 * BP134 BP135 BP136 BP137 BP138`
	KEYWORD	`traditional`
	CONCEPT	`all (info \| search),` `collinear (info \| search),` `center_of_circle (info \| search),` `center (info \| search),` `imagined_point (info \| search),` `imagined_entity (info \| search)`
	AUTHOR	`Douglas R. Hofstadter`

Circle centers are collinear vs. circle centers are not collinear.

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	CROSSREFS	`Adjacent-numbered pages: BP129 BP130 BP131 BP132 BP133 * BP135 BP136 BP137 BP138 BP139`
	KEYWORD	`traditional`
	CONCEPT	`all (info \| search),` `collinear (info \| search),` `center_of_circle (info \| search),` `center (info \| search),` `imagined_point (info \| search),` `imagined_entity (info \| search)`
	AUTHOR	`Douglas R. Hofstadter`

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