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Search: concept:indentation
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BP17 Shape with a reflex corner vs. shape without a reflex corner.
(edit; present; nest [left/right]; search; history)
COMMENTS

All examples in this Bongard Problem are outlines of shapes.

REFERENCE

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

CROSSREFS

Adjacent-numbered pages:
BP12 BP13 BP14 BP15 BP16  *  BP18 BP19 BP20 BP21 BP22

KEYWORD

finished, traditional, bongard

CONCEPT acute (info | search),
angle (info | search),
indentation (info | search)

WORLD

shape_outline [smaller | same | bigger]

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

BP76 Long sides concave vs. long sides convex.
(edit; present; nest [left/right]; search; history)
REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 239.

CROSSREFS

Adjacent-numbered pages:
BP71 BP72 BP73 BP74 BP75  *  BP77 BP78 BP79 BP80 BP81

KEYWORD

nice, stretch, finished, traditional, viceversa, bongard

CONCEPT indentation (info | search),
size (info | search)

WORLD

[smaller | same | bigger]

AUTHOR

Mikhail M. Bongard

BP91 Three identical elements vs. four identical elements.
(edit; present; nest [left/right]; search; history)
REFERENCE

M. M. Bongard, Pattern Recognition, Spartan Books, 1970, p. 244.

CROSSREFS

BP1226 is "three identical elements vs. other number of identical elements".

Adjacent-numbered pages:
BP86 BP87 BP88 BP89 BP90  *  BP92 BP93 BP94 BP95 BP96

KEYWORD

number, ignoreimperfections, finished, traditional, bongard

CONCEPT indentation (info | search),
on_line_or_curve (info | search),
number (info | search),
protrusion (info | search),
separation_of_joined_objects (info | search),
same (info | search),
three (info | search),
four (info | search)

WORLD

curves_and_fill_shapes_drawing [smaller | same | bigger]

AUTHOR

Mikhail M. Bongard

BP101 Parallel dents vs. perpendicular dents.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP96 BP97 BP98 BP99 BP100  *  BP102 BP103 BP104 BP105 BP106

KEYWORD

traditional

CONCEPT indentation (info | search),
imagined_shape (info | search),
imagined_entity (info | search),
parallel (info | search),
perpendicular (info | search)

AUTHOR

Douglas R. Hofstadter

BP125 One protrusion and one indentation of the same shape vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP120 BP121 BP122 BP123 BP124  *  BP126 BP127 BP128 BP129 BP130

KEYWORD

traditional

CONCEPT indentation (info | search),
protrusion (info | search),
same_shape (info | search),
same (info | search)

AUTHOR

Douglas R. Hofstadter

BP129 Indentation on protrusion vs. indentation on indentation.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP124 BP125 BP126 BP127 BP128  *  BP130 BP131 BP132 BP133 BP134

KEYWORD

traditional

CONCEPT indentation (info | search),
protrusion (info | search)

AUTHOR

Douglas R. Hofstadter

BP175 Small object can glide in the bay vs. small object cannot glide in the bay.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP170 BP171 BP172 BP173 BP174  *  BP176 BP177 BP178 BP179 BP180

KEYWORD

orderedpair, traditional

CONCEPT entrance_exit (info | search),
indentation (info | search),
rotation_required (info | search),
imagined_motion (info | search),
motion (info | search),
specific_shape (info | search),
physically_fitting (info | search)

AUTHOR

Harry E. Foundalis

BP181 One concavity vs. two concavities.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP176 BP177 BP178 BP179 BP180  *  BP182 BP183 BP184 BP185 BP186

KEYWORD

noisy, traditional

CONCEPT indentation (info | search),
number (info | search),
one (info | search),
two (info | search)

AUTHOR

Harry E. Foundalis

BP231 Five concavities vs. not five concavities.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP226 BP227 BP228 BP229 BP230  *  BP232 BP233 BP234 BP235 BP236

KEYWORD

less, noisy, arbitrary, traditional

CONCEPT indentation (info | search),
number (info | search)

AUTHOR

Giuseppe Insana

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