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BP7 Taller than wide vs. wider than tall.
(edit; present; nest [left/right]; search; history)
COMMENTS

All examples in this Bongard Problem are oblong connected figures made up of some curves.

Shapes as tall as they are wide would be ambiguous.

REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 216.

CROSSREFS

Adjacent-numbered pages:
BP2 BP3 BP4 BP5 BP6  *  BP8 BP9 BP10 BP11 BP12

KEYWORD

easy, nice, dual, handed, rotate, stretch, finished, traditional, bongard

CONCEPT horizontal (info | search),
line_slope (info | search),
vertical (info | search),
quantity_comparison (info | search)

WORLD

Multiple options:
figure_made_of_curves [smaller | same | bigger],
oblong_axis_aligned_figure_made_of_curves [smaller | same | bigger]

AUTHOR

Mikhail M. Bongard

BP8 Positioned right vs. positioned left.
(edit; present; nest [left/right]; search; history)
COMMENTS

Center of shape's x coordinate is higher than zero (where zero is the middle of the picture).

All examples in this Bongard Problem are small shape outlines.

This is the first Bongard Problem in which absolute positioning is relevant.

Shapes close to the middle would be ambiguous.

REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 216.

CROSSREFS

Adjacent-numbered pages:
BP3 BP4 BP5 BP6 BP7  *  BP9 BP10 BP11 BP12 BP13

KEYWORD

easy, nice, dual, handed, leftright, boundingbox, finished, traditional, absoluteposition, bongard

CONCEPT absolute_position (info | search),
bounding_box (info | search),
coordinate (info | search),
left_right (info | search)

WORLD

small_outline [smaller | same | bigger]

AUTHOR

Mikhail M. Bongard

BP16 Clockwise spiraling curve vs. counter-clockwise spiraling curve.
(edit; present; nest [left/right]; search; history)
COMMENTS

All examples in this Bongard Problem are non-self-intersecting spiraling curves, perhaps wiggly, perhaps with corners.

REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 219.

CROSSREFS

Adjacent-numbered pages:
BP11 BP12 BP13 BP14 BP15  *  BP17 BP18 BP19 BP20 BP21

KEYWORD

nice, handed, gap, finished, traditional, bongard

CONCEPT turn_orientation (info | search),
tracing_line_or_curve (info | search),
rotational_direction (info | search),
direction (info | search)

WORLD

spiral [smaller | same | bigger]

AUTHOR

Mikhail M. Bongard

BP36 Triangle above circle vs. circle above triangle.
(edit; present; nest [left/right]; search; history)
REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 225.

CROSSREFS

Adjacent-numbered pages:
BP31 BP32 BP33 BP34 BP35  *  BP37 BP38 BP39 BP40 BP41

KEYWORD

spectrum, dual, handed, updown, rotate, finished, orderedpair, traditional, continuous, viceversa, bongard

CONCEPT above_below (info | search),
triangle (info | search),
quantity_comparison (info | search)

WORLD

one_circle_one_eq-tri_small_outlines [smaller | same | bigger]

AUTHOR

Mikhail M. Bongard

BP43 The vibration amplitude increases from left to right vs. the vibration amplitude decreases from left to right.
(edit; present; nest [left/right]; search; history)
REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 228.

CROSSREFS

Adjacent-numbered pages:
BP38 BP39 BP40 BP41 BP42  *  BP44 BP45 BP46 BP47 BP48

KEYWORD

dual, handed, leftright, finished, traditional, viceversa, bongard

CONCEPT size_increase_decrease (info | search),
horizontal (info | search),
leftward_rightward (info | search),
regular_irregular_change (info | search),
tracing_line_or_curve (info | search),
wave (info | search)

WORLD

wave_horizontal_increase_or_decrease [smaller | same | bigger]

AUTHOR

Mikhail M. Bongard

BP54 A cross, circle, and triangle arranged counterclockwise vs. a cross, circle, and triangle arranged clockwise.
(edit; present; nest [left/right]; search; history)
REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 231.

CROSSREFS

Adjacent-numbered pages:
BP49 BP50 BP51 BP52 BP53  *  BP55 BP56 BP57 BP58 BP59

KEYWORD

dual, handed, finished, orderedtriplet, traditional, bongard

CONCEPT turn_orientation (info | search),
rotational_direction (info | search),
triangle (info | search),
direction (info | search)

AUTHOR

Mikhail M. Bongard

BP55 A circle is at the left of the cavity if you look from inside the figure vs. a circle is at the right of the cavity if you look from inside the figure.
(edit; present; nest [left/right]; search; history)
REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 232.

CROSSREFS

Adjacent-numbered pages:
BP50 BP51 BP52 BP53 BP54  *  BP56 BP57 BP58 BP59 BP60

KEYWORD

dual, handed, finished, traditional, bongard

CONCEPT indentation (info | search),
on_line_or_curve (info | search),
separation_of_joined_objects (info | search),
tracing_line_or_curve (info | search),
rotational_direction (info | search),
direction (info | search)

AUTHOR

Mikhail M. Bongard

BP63 Shading thicker on the right side vs. shading thicker on the left side.
(edit; present; nest [left/right]; search; history)
REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 234.

CROSSREFS

Adjacent-numbered pages:
BP58 BP59 BP60 BP61 BP62  *  BP64 BP65 BP66 BP67 BP68

KEYWORD

dual, handed, finished, traditional, viceversa, bongard

CONCEPT left_right (info | search),
curve_texture (info | search),
texture (info | search)

AUTHOR

Mikhail M. Bongard

BP67 The right branch begins at a higher point than the left branch vs. the right branch begins at a lower point than the left branch.
(edit; present; nest [left/right]; search; history)
REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 236.

CROSSREFS

Adjacent-numbered pages:
BP62 BP63 BP64 BP65 BP66  *  BP68 BP69 BP70 BP71 BP72

KEYWORD

precise, spectrum, dual, handed, leftright, finished, traditional, continuous, viceversa, bongard

CONCEPT above_below (info | search),
branch_point (info | search),
left_right (info | search),
on_sides_of_curve (info | search),
tracing_line_or_curve (info | search)

WORLD

curve_tree_one_branch_per_side [smaller | same | bigger]

AUTHOR

Mikhail M. Bongard

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

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