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BP1 Empty image vs. non-empty image.
(edit; present; nest [left/right]; search; history)
COMMENTS

The first Bongard Problem.

All examples in this Bongard Problem are line drawings (one or more connected figures made up of curved and non-curved lines).

REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 214.

CROSSREFS

Adjacent-numbered pages:
  *  BP2 BP3 BP4 BP5 BP6

EXAMPLE

A circle fits on the right because it is not nothing.

KEYWORD

easy, nice, precise, allsorted, unstable, world, left-narrow, left-finite, left-full, left-null, perfect, pixelperfect, finished, traditional, stableworld, deformstable, bongard

CONCEPT empty (info | search),
existence (info | search),
zero (info | search)

WORLD

zoom in left (blank_image) | zoom in right (curves_drawing)

AUTHOR

Mikhail M. Bongard

BP211 More black than white vs. more white than black.
(edit; present; nest [left/right]; search; history)
CROSSREFS

See BP196 for a version of this Problem restricted to uniform textures.

Adjacent-numbered pages:
BP206 BP207 BP208 BP209 BP210  *  BP212 BP213 BP214 BP215 BP216

KEYWORD

easy, nice, spectrum, dual, blackwhite, unstable, right-null, perfect, pixelperfect, traditional, continuous, viceversa, bordercontent

CONCEPT outlined_filled (info | search),
size (info | search),
texture (info | search)

WORLD

bmp [smaller | same | bigger]
zoom in left | zoom in right

AUTHOR

Giuseppe Insana

BP364 Two clearly separable groups vs. not so.
(edit; present; nest [left/right]; search; history)
COMMENTS

An image of this Bongard Problem will fit as a left example for itself.

CROSSREFS

Adjacent-numbered pages:
BP359 BP360 BP361 BP362 BP363  *  BP365 BP366 BP367 BP368 BP369

KEYWORD

nice, fuzzy, right-null, traditional, miniworlds

CONCEPT feature_cluster (info | search),
cluster (info | search)

AUTHOR

Aaron David Fairbanks

BP374 Simple object vs. complex object.
(edit; present; nest [left/right]; search; history)
COMMENTS

People consistently get the answer to this, but many people think they haven't found the actual answer yet even though they have. - Aaron David Fairbanks, Aug 16 2020

CROSSREFS

Adjacent-numbered pages:
BP369 BP370 BP371 BP372 BP373  *  BP375 BP376 BP377 BP378 BP379

KEYWORD

easy, nice, traditional

CONCEPT simplicity (info | search)

AUTHOR

Aaron David Fairbanks

BP533 Contains smaller copy of itself vs. doesn't.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP528 BP529 BP530 BP531 BP532  *  BP534 BP535 BP536 BP537 BP538

EXAMPLE

A smaller copy of EX6409 (the black area) can be located within itself, but some of the white space inside it is not retained in this smaller copy.

KEYWORD

perfect, infinitedetail, contributepairs

CONCEPT fractal (info | search),
recursion (info | search),
self-reference (info | search)

WORLD

connected_built_from_self_tile_fractals [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP953 Image of this Bongard Problem vs. empty image.
(edit; present; nest [left/right]; search; history)
COMMENTS

"Image of Bongard Problem with solution X vs. empty image" where X is the phrase in quotes.

CROSSREFS

See BP959, BP902.

Adjacent-numbered pages:
BP948 BP949 BP950 BP951 BP952  *  BP954 BP955 BP956 BP957 BP958

KEYWORD

nice, precise, meta (see left/right), miniproblems, overriddensolution, right-full, right-null, perfect, infinitedetail, experimental, funny

CONCEPT fractal (info | search),
recursion (info | search),
self-reference (info | search)

WORLD

zoom in left (bp953_image) | zoom in right (blank_image)

AUTHOR

Leo Crabbe

BP961 Includes itself on the left vs. includes itself on the right.
(edit; present; nest [left/right]; search; history)
COMMENTS

Some examples are Bongard Problems with this solution.

CROSSREFS

Adjacent-numbered pages:
BP956 BP957 BP958 BP959 BP960  *  BP962 BP963 BP964 BP965 BP966

KEYWORD

nice, precise, dual, handed, leftright, perfect, infinitedetail, both, neither, preciseworld

CONCEPT fractal (info | search),
recursion (info | search),
self-reference (info | search)

AUTHOR

Aaron David Fairbanks

BP970 Triangle is largest black shape vs. circle is largest black shape.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP965 BP966 BP967 BP968 BP969  *  BP971 BP972 BP973 BP974 BP975

KEYWORD

stub

CONCEPT circle (info | search),
size (info | search),
triangle (info | search),
most (info | search),
quantity_comparison (info | search)

AUTHOR

Aaron David Fairbanks

BP971 Left half has more black (less white) than right half versus vice versa.
(edit; present; nest [left/right]; search; history)
COMMENTS

A similar, but different, solution is "center of mass is on the left half vs. center of mass is on the right half."

CROSSREFS

See BP972 for the version with examples rotated a quarter-turn.

Adjacent-numbered pages:
BP966 BP967 BP968 BP969 BP970  *  BP972 BP973 BP974 BP975 BP976

KEYWORD

nice, precise, spectrum, dual, handed, leftright, rotate, boundingbox, blackwhite, traditional, viceversa, absoluteposition, bordercontent

AUTHOR

Aaron David Fairbanks

BP977 Two of the same object are enclosed in the same space (there is a path between them) vs. not so.
(edit; present; nest [left/right]; search; history)
COMMENTS

An "object" is everything within some black boundary.

CROSSREFS

See BP1071 for a version with only squares and with infinite nesting allowed.

Adjacent-numbered pages:
BP972 BP973 BP974 BP975 BP976  *  BP978 BP979 BP980 BP981 BP982

KEYWORD

nice, precise, allsorted, creativeexamples, traditional

CONCEPT separated_regions (info | search),
identical (info | search),
recursion (info | search),
imagined_line_or_curve (info | search),
same_shape (info | search),
same (info | search)

AUTHOR

Aaron David Fairbanks

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