login
Hints
(Greetings from The On-Line Encyclopedia of Bongard Problems!)
Search: +meta:BP739
Displaying 1-10 of 42 results found. ( next )     page 1 2 3 4 5
     Sort: id      Format: long      Filter: (all | no meta | meta)      Mode: (words | no words)
BP64 A cross is located on the extension of the ellipse axis vs. a circle is located on the extension of the ellipse axis.
(edit; present; nest [left/right]; search; history)
REFERENCE

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

CROSSREFS

Adjacent-numbered pages:
BP59 BP60 BP61 BP62 BP63  *  BP65 BP66 BP67 BP68 BP69

KEYWORD

noisy, dual, finished, orderedtriplet, traditional, bongard

CONCEPT collinear (info | search),
imagined_line_or_curve (info | search),
imagined_entity (info | search)

WORLD

[smaller | same | bigger]

AUTHOR

Mikhail M. Bongard

BP73 The long axes of the ellipse and rectangle are perpendicular vs. the long axes of the ellipse and rectangle are parallel.
(edit; present; nest [left/right]; search; history)
REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 238.

CROSSREFS

Adjacent-numbered pages:
BP68 BP69 BP70 BP71 BP72  *  BP74 BP75 BP76 BP77 BP78

KEYWORD

noisy, finished, traditional, bongard

CONCEPT imagined_line_or_curve (info | search),
imagined_entity (info | search),
parallel (info | search),
perpendicular (info | search)

WORLD

[smaller | same | bigger]

AUTHOR

Mikhail M. Bongard

BP74 A tail grows from the obtuse end vs. a tail grows from the acute end.
(edit; present; nest [left/right]; search; history)
REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 238.

CROSSREFS

Adjacent-numbered pages:
BP69 BP70 BP71 BP72 BP73  *  BP75 BP76 BP77 BP78 BP79

KEYWORD

nice, finished, traditional, bongard

CONCEPT size_increase_decrease (info | search),
tracing_line_or_curve (info | search),
imagined_line_or_curve (info | search),
imagined_entity (info | search)

AUTHOR

Mikhail M. Bongard

BP78 Extensions of segments cross at one point vs. extensions of segments do not cross at one point.
(edit; present; nest [left/right]; search; history)
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

BP81 Dark figures can be divided from outline figures by a straight line vs. convex hulls of filled and outlined figures overlap.
(edit; present; nest [left/right]; search; history)
REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 240.

CROSSREFS

Adjacent-numbered pages:
BP76 BP77 BP78 BP79 BP80  *  BP82 BP83 BP84 BP85 BP86

KEYWORD

finished, traditional, bongard

CONCEPT convex_hull (info | search),
separable_entangled (info | search),
sides_of_line (info | search),
feature_cluster (info | search),
cluster_of_one (info | search),
cluster (info | search),
imagined_line_or_curve (info | search),
imagined_entity (info | search),
objects_overlap (info | search),
overlap (info | search)

AUTHOR

Mikhail M. Bongard

BP103 Isosceles triangle vs. scalene triangle.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP98 BP99 BP100 BP101 BP102  *  BP104 BP105 BP106 BP107 BP108

KEYWORD

precise, allsorted, stretch, orderedpair, traditional, preciseworld

CONCEPT line_or_curve_endpoint (info | search),
length_line_or_curve (info | search),
imagined_line_or_curve (info | search),
imagined_entity (info | search),
same_feature (info | search),
same (info | search),
isosceles_triangle (info | search),
triangle (info | search)

AUTHOR

Douglas R. Hofstadter

BP106 Negative slope vs. positive slope.
(edit; present; nest [left/right]; search; history)
COMMENTS

All examples feature a white circle and a black circle. The answer refers to the slope of the line connecting the two circles.

The coloring of the circles is irrelevant.

CROSSREFS

Adjacent-numbered pages:
BP101 BP102 BP103 BP104 BP105  *  BP107 BP108 BP109 BP110 BP111

KEYWORD

nice, noisy, dual, handed, rotate, orderedpair, traditional

CONCEPT positive_negative_slope (info | search),
line_slope (info | search),
imagined_line_or_curve (info | search),
imagined_entity (info | search)

AUTHOR

Douglas R. Hofstadter

BP112 X-coordinates of dots are equidistant vs. y-coordinates of dots are equidistant.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP107 BP108 BP109 BP110 BP111  *  BP113 BP114 BP115 BP116 BP117

KEYWORD

hard, nice, antihuman, traditional

CONCEPT coordinate (info | search),
length_line_or_curve (info | search),
midpoint (info | search),
imagined_line_or_curve (info | search),
imagined_entity (info | search),
same_feature (info | search),
same (info | search)

WORLD

three_points [smaller | same | bigger]

AUTHOR

Douglas R. Hofstadter

BP117 Triangle points to center of circle vs. triangle does not point to center of circle.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP112 BP113 BP114 BP115 BP116  *  BP118 BP119 BP120 BP121 BP122

KEYWORD

traditional

CONCEPT between (info | search),
on_line_or_curve (info | search),
midpoint (info | search),
pointing_to (info | search),
center_of_circle (info | search),
center (info | search),
imagined_point (info | search),
imagined_line_or_curve (info | search),
imagined_entity (info | search),
triangle_arrow (info | search),
triangle (info | search)

AUTHOR

Douglas R. Hofstadter

BP131 Dots are vertices of a parallelogram vs. dots are not vertices of a parallelogram.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP126 BP127 BP128 BP129 BP130  *  BP132 BP133 BP134 BP135 BP136

KEYWORD

noisy, traditional

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

AUTHOR

Douglas R. Hofstadter

( next )     page 1 2 3 4 5

Welcome | Solve | Browse | Lookup | Recent | Links | Register | Contact
Contribute | Keywords | Concepts | Worlds | Ambiguities | Transformations | Invalid Problems | Style Guide | Goals | Glossary