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Displaying 131-140 of 393 results found. ( prev | next )     page 1 ... 10 11 12 13 14 15 16 17 18 ... 40
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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

BP132 Dots are vertices of a triangle standing on a side vs. dots are vertices of a triangle standing on a vertex.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP127 BP128 BP129 BP130 BP131  *  BP133 BP134 BP135 BP136 BP137

KEYWORD

noisy, traditional

CONCEPT base (info | search),
horizontal (info | search),
vertex_of_meeting_lines (info | search),
triangle (info | search),
vertical (info | search)

AUTHOR

Douglas R. Hofstadter

BP133 Dots collinear with center of circle vs. dots not collinear with center of circle.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP128 BP129 BP130 BP131 BP132  *  BP134 BP135 BP136 BP137 BP138

KEYWORD

traditional

CONCEPT all (info | search),
collinear (info | search),
center_of_circle (info | search),
center (info | search),
imagined_point (info | search),
imagined_entity (info | search)

AUTHOR

Douglas R. Hofstadter

BP134 Circle centers are collinear vs. circle centers are not collinear.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP129 BP130 BP131 BP132 BP133  *  BP135 BP136 BP137 BP138 BP139

KEYWORD

traditional

CONCEPT all (info | search),
collinear (info | search),
center_of_circle (info | search),
center (info | search),
imagined_point (info | search),
imagined_entity (info | search)

AUTHOR

Douglas R. Hofstadter

BP135 Circles on same side of curve vs. circles on different sides of curves.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP130 BP131 BP132 BP133 BP134  *  BP136 BP137 BP138 BP139 BP140

KEYWORD

noisy, traditional

CONCEPT on_sides_of_curve (info | search),
separation_of_joined_objects (info | search)

AUTHOR

Douglas R. Hofstadter

BP136 Concave shape vs. convex shape.
(edit; present; nest [left/right]; search; history)
CROSSREFS

BP4 is the same solution (flipped) but without the distracting dots (and also with some shapes filled in black and/or curvy instead of just polygon outlines).

Adjacent-numbered pages:
BP131 BP132 BP133 BP134 BP135  *  BP137 BP138 BP139 BP140 BP141

KEYWORD

noisy, ignoreimperfections, traditional

CONCEPT concave_convex_angle (info | search)

AUTHOR

Douglas R. Hofstadter

BP137 Dots equal in number to the sides of the closed region vs. dots unequal in number to the sides of the closed region.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP132 BP133 BP134 BP135 BP136  *  BP138 BP139 BP140 BP141 BP142

KEYWORD

left-null, traditional

CONCEPT same_number (info | search),
same (info | search)

AUTHOR

Douglas R. Hofstadter

BP138 No dot well within the convex hull vs. at least one dot well within the convex hull.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP133 BP134 BP135 BP136 BP137  *  BP139 BP140 BP141 BP142 BP143

KEYWORD

traditional

CONCEPT convex_hull (info | search),
existence (info | search),
imagined_shape (info | search),
imagined_entity (info | search)

WORLD

5_dots [smaller | same | bigger]

AUTHOR

Douglas R. Hofstadter

BP139 Similar components that change regularly vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP134 BP135 BP136 BP137 BP138  *  BP140 BP141 BP142 BP143 BP144

KEYWORD

traditional, miniworlds

CONCEPT regular_irregular_change (info | search),
similar_shape (info | search),
similar (info | search)

AUTHOR

Douglas R. Hofstadter

BP140 One large shape and two smaller identical ones vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP135 BP136 BP137 BP138 BP139  *  BP141 BP142 BP143 BP144 BP145

KEYWORD

traditional

CONCEPT and (info | search),
size (info | search),
same_shape (info | search),
same (info | search)

AUTHOR

Douglas R. Hofstadter

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