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BP100 The letter A vs. the letter Б.
(edit; present; nest [left/right]; search; history)
COMMENTS

This is the final problem in Bongard's original collection. It is the only member of the collection that makes reference to human culture. This can be interpreted symbolically as foreshadowing that computers will be able to perform the various tasks that humans can do.


Another idea introduced by this Bongard Problem is that a Bongard Problem can teach its solution to the solver. (See keyword teach.) A large pool of examples can be used for training, as is common in machine learning.

REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 247.

CROSSREFS

Adjacent-numbered pages:
BP95 BP96 BP97 BP98 BP99  *  BP101 BP102 BP103 BP104 BP105

KEYWORD

easy, nice, teach, arbitrary, anticomputer, culture, finished, bongard

CONCEPT specific_shape (info | search),
specificity (info | search)

AUTHOR

Mikhail M. Bongard

BP170 Pi-like shape vs. x-like shape.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP165 BP166 BP167 BP168 BP169  *  BP171 BP172 BP173 BP174 BP175

KEYWORD

nice, arbitrary, anticomputer, traditional, blackwhiteinvariant

CONCEPT specific_shape (info | search),
specificity (info | search)

AUTHOR

Harry E. Foundalis

BP190 All connected objects have the same texture vs. some connected objects have different textures.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP185 BP186 BP187 BP188 BP189  *  BP191 BP192 BP193 BP194 BP195

KEYWORD

anticomputer, traditional

CONCEPT distinguishing_crossing_curves (info | search),
all (info | search),
on_line_or_curve (info | search),
outlined_filled (info | search),
shape_cluster (info | search),
cluster (info | search),
same_feature (info | search),
same (info | search),
texture (info | search)

AUTHOR

Harry E. Foundalis

BP193 Ghost triangle vs. Ghost rectangle.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP188 BP189 BP190 BP191 BP192  *  BP194 BP195 BP196 BP197 BP198

KEYWORD

nice, anticomputer, traditional, dithering

CONCEPT absence_as_presence (info | search),
completed_out_of_box (info | search),
ghost (info | search),
number (info | search),
imagined_shape (info | search),
imagined_entity (info | search),
triangle (info | search)

AUTHOR

Harry E. Foundalis

BP197 Some style (font) vs. another style (font).
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP192 BP193 BP194 BP195 BP196  *  BP198 BP199 BP200 BP201 BP202

KEYWORD

dual, arbitrary, anticomputer, contributepairs

CONCEPT specific_style (info | search),
specificity (info | search)

AUTHOR

Harry E. Foundalis

BP199 Stays put vs. tumbles.
(edit; present; nest [left/right]; search; history)
CROSSREFS

BP273 has the same solution, except all examples are letters.

Adjacent-numbered pages:
BP194 BP195 BP196 BP197 BP198  *  BP200 BP201 BP202 BP203 BP204

KEYWORD

nice, handed, updown, rotate, physics, anticomputer, perfect

CONCEPT base (info | search),
downward_upward (info | search),
tumbles_or_stays_put (info | search),
line_absolute_direction (info | search),
absolute_direction (info | search),
imagined_line_or_curve (info | search),
imagined_entity (info | search),
direction (info | search),
gravity (info | search)

AUTHOR

Harry E. Foundalis

BP235 The rope, if extended, reaches the other ball vs. the rope, if extended, does not reach the other ball.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP230 BP231 BP232 BP233 BP234  *  BP236 BP237 BP238 BP239 BP240

KEYWORD

anticomputer, traditional

CONCEPT length_line_or_curve (info | search),
reachable (info | search),
imagined_line_or_curve (info | search),
imagined_entity (info | search)

AUTHOR

Peter Shanahan

BP237 Upper central line APPEARS shorter than lower central line vs. upper central line APPEARS longer than lower central line.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP232 BP233 BP234 BP235 BP236  *  BP238 BP239 BP240 BP241 BP242

KEYWORD

less, anticomputer, subjective, culture, invalid, traditional

CONCEPT length_line_or_curve (info | search),
visual_illusion (info | search)

AUTHOR

Peter Shanahan

BP252 Impossible solid in 3-D vs. possible solid in 3-D.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP247 BP248 BP249 BP250 BP251  *  BP253 BP254 BP255 BP256 BP257

KEYWORD

anticomputer, traditional

CONCEPT impossible (info | search),
3d_impossible_solid (info | search)

AUTHOR

Andreas Gunnarsson

BP331 Image of something 2-D vs. image of something 3-D.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP326 BP327 BP328 BP329 BP330  *  BP332 BP333 BP334 BP335 BP336

KEYWORD

abstract, anticomputer, collective, traditional, dithering

CONCEPT dimensionality (info | search),
3d_solid (info | search)

AUTHOR

Aaron David Fairbanks

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