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BP92 The chain does not branch vs. the chain branches.
(edit; present; nest [left/right]; search; history)
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

BP47 Triangle inside of the circle vs. circle inside of the triangle.
(edit; present; nest [left/right]; search; history)
REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 229.

CROSSREFS

Adjacent-numbered pages:
BP42 BP43 BP44 BP45 BP46  *  BP48 BP49 BP50 BP51 BP52

KEYWORD

finished, traditional, viceversa, bongard

CONCEPT inside (info | search),
triangle (info | search)

WORLD

circle_triangle_outlines_nest [smaller | same | bigger]

AUTHOR

Mikhail M. Bongard

BP965 If you place the image on top of itself so that it lines up with itself exactly within a small region, it also lines up everywhere else vs. not so.
(edit; present; nest [left/right]; search; history)
COMMENTS

Rotations are allowed. To avoid confusion about whether reflections are allowed, no examples are included on the right that require reflections to match up with themselves locally but not globally; no examples are included on the left that can match up with themselves locally but not globally using a reflection.


Only parts of ellipses are used, and only one type of ellipse per image, to make everything easier to read and reason about.

CROSSREFS

See BP1246 for a variation on this idea where instead of lining the image up with itself along arbitrarily small regions, you line the image up with itself along individual separate objects.

Adjacent-numbered pages:
BP960 BP961 BP962 BP963 BP964  *  BP966 BP967 BP968 BP969 BP970

KEYWORD

hard, precise, distractingworld, perfect

CONCEPT local_global (info | search)

AUTHOR

Aaron David Fairbanks

BP369 All points (small white circles) on one figure can be glued together to make the other figure vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

See BP851 for a version where the figure must stay within the 2D plane and cannot pass through itself while being deformed.

Adjacent-numbered pages:
BP364 BP365 BP366 BP367 BP368  *  BP370 BP371 BP372 BP373 BP374

KEYWORD

math

CONCEPT topological_transformation (info | search),
imagined_motion (info | search),
motion (info | search)

WORLD

zoom in left (figure_made_of_curves_and_quotient_by_hollow_dots)

AUTHOR

Aaron David Fairbanks

BP942 Square bounding box vs. oblong rectangular bounding box.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP937 BP938 BP939 BP940 BP941  *  BP943 BP944 BP945 BP946 BP947

KEYWORD

precise, stretch, boundingbox, invalid, experimental, preciseworld

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

WORLD

rectangular_arrangement_of_white_pixels [smaller | same | bigger]
zoom in left (square_arrangement_of_white_pixels) | zoom in right (oblong_rectangular_arrangement_of_white_pixels)

AUTHOR

Leo Crabbe

BP294 The two points are reachable through a path vs. the two points are unreachable by any path.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP289 BP290 BP291 BP292 BP293  *  BP295 BP296 BP297 BP298 BP299

KEYWORD

traditional

CONCEPT maze (info | search),
path (info | search),
reachable (info | search)

AUTHOR

"Lewis"

BP1067 There is an infinite one-one-one-one-... chain present vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1062 BP1063 BP1064 BP1065 BP1066  *  BP1068 BP1069 BP1070 BP1071 BP1072

KEYWORD

perfect, infinitedetail

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

WORLD

recursive_boxes [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP308 Three or more small clusters of dots vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

BP307 is similar.

Adjacent-numbered pages:
BP303 BP304 BP305 BP306 BP307  *  BP309 BP310 BP311 BP312 BP313

KEYWORD

traditional

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

AUTHOR

"Lewis"

BP66 Unconnected circles on a horizontal line vs. unconnected circles on a vertical line.
(edit; present; nest [left/right]; search; history)
REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 235.

CROSSREFS

Adjacent-numbered pages:
BP61 BP62 BP63 BP64 BP65  *  BP67 BP68 BP69 BP70 BP71

KEYWORD

noisy, finished, traditional, bongard

CONCEPT collinear (info | search),
horizontal (info | search),
on_line_or_curve (info | search),
shape_cluster (info | search),
cluster (info | search),
vertical (info | search)

WORLD

[smaller | same | bigger]

AUTHOR

Mikhail M. Bongard

BP89 Three parts vs. five parts.
(edit; present; nest [left/right]; search; history)
REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 243.

CROSSREFS

Adjacent-numbered pages:
BP84 BP85 BP86 BP87 BP88  *  BP90 BP91 BP92 BP93 BP94

KEYWORD

number, finished, traditional, bongard

CONCEPT number (info | search),
feature_cluster (info | search),
cluster_of_one (info | search),
cluster (info | search),
three (info | search),
five (info | search)

AUTHOR

Mikhail M. Bongard

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