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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

BP260 Squares are either all empty or all contain something vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP255 BP256 BP257 BP258 BP259  *  BP261 BP262 BP263 BP264 BP265

KEYWORD

traditional

CONCEPT all (info | search),
or (info | search),
empty (info | search)

AUTHOR

Carla Rispoli

BP843 Lower bound is object vs. lower bound is nothing.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP838 BP839 BP840 BP841 BP842  *  BP844 BP845 BP846 BP847 BP848

KEYWORD

creativeexamples, structure, rules

CONCEPT empty (info | search)

WORLD

constant_change_seq_increase_right_lower_bound [smaller | same | bigger]
zoom in left (constant_change_seq_increase_right_low_bound_obj)

AUTHOR

Aaron David Fairbanks

BP1056 Blank image vs. nothing.
(edit; present; nest [left/right]; search; history)
COMMENTS

Two kinds of "nothing".

CROSSREFS

See also BP1219, "blank image vs. image of blank square".

Adjacent-numbered pages:
BP1051 BP1052 BP1053 BP1054 BP1055  *  BP1057 BP1058 BP1059 BP1060 BP1061

KEYWORD

left-finite, right-finite, left-full, right-full, left-null, finished, invalid, experimental, funny, finishedexamples

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

WORLD

blank_image [smaller | same | bigger]
zoom in left (blank_image) | zoom in right (nothing)

AUTHOR

Aaron David Fairbanks

BP1209 Empty square present vs. no square present.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Nearly identical to BP1221, which is the same except non-empty squares are allowed.

See BP24 for "circle present vs. not".

Adjacent-numbered pages:
BP1204 BP1205 BP1206 BP1207 BP1208  *  BP1210 BP1211 BP1212 BP1213 BP1214

KEYWORD

stub, left-narrow, traditional

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

AUTHOR

Aaron David Fairbanks

BP1219 Blank image (square) vs. image of blank square.
(edit; present; nest [left/right]; search; history)
CROSSREFS

See also BP1056, "blank image vs. nothing".


BP1 is also a (less specific) solution to this.

BP1209 (flipped) is also a (less specific) solution to this.

Adjacent-numbered pages:
BP1214 BP1215 BP1216 BP1217 BP1218  *  BP1220 BP1221 BP1222 BP1223 BP1224

KEYWORD

minimal, gap, left-narrow, right-narrow, left-finite, right-finite, left-full, right-full, left-null, funny, unstableworld

CONCEPT empty (info | search),
square (info | search)

AUTHOR

Aaron David Fairbanks

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