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BP1014 Shapes become thicker the farther they are from the top-left and bottom-right corners of bounding box vs. some other pattern in shape thickness based on position.
(edit; present; nest [left/right]; search; history)
REFERENCE

https://studentweb.cs.wwu.edu/~tuora/aarontuor/computerscience/bongardproblems.html

CROSSREFS

Adjacent-numbered pages:
BP1009 BP1010 BP1011 BP1012 BP1013  *  BP1015 BP1016 BP1017 BP1018 BP1019

KEYWORD

handed, leftright, updown, rotate, boundingbox, bordercontent

CONCEPT size (info | search)

AUTHOR

Aaron Tuor

BP1015 Segment drawn between two points intersects another line vs segment drawn between two points does not intersect any other lines
(edit; present; nest [left/right]; search; history)
CROSSREFS

This is nearly identical to BP163. Here instead of shape outlines dots are used, and the dots can be within the larger shape outline.

Adjacent-numbered pages:
BP1010 BP1011 BP1012 BP1013 BP1014  *  BP1016 BP1017 BP1018 BP1019 BP1020

KEYWORD

easy, precise

CONCEPT dot (info | search),
imagined_line_or_curve (info | search),
imagined_entity (info | search),
object_line_overlap (info | search),
overlap (info | search)

AUTHOR

Peter Nesin

BP1016 Rigid vs. not rigid.
(edit; present; nest [left/right]; search; history)
REFERENCE

Henneberg, L. (1911), Die graphische Statik der starren Systeme, Leipzig

Jackson, Bill. (2007). Notes on the Rigidity of Graphs.

Laman, Gerard. (1970), "On graphs and the rigidity of plane skeletal structures", J. Engineering Mathematics, 4 (4): 331–340.

Pollaczek‐Geiringer, Hilda (1927), "Über die Gliederung ebener Fachwerke", Zeitschrift für Angewandte Mathematik und Mechanik, 7 (1): 58–72.

CROSSREFS

Adjacent-numbered pages:
BP1011 BP1012 BP1013 BP1014 BP1015  *  BP1017 BP1018 BP1019 BP1020 BP1021

KEYWORD

nice, physics, help

CONCEPT rigidity (info | search),
graph (info | search),
imagined_motion (info | search)

WORLD

planar_connected_graph [smaller | same | bigger]
zoom in left (rigid_planar_connected_graph)

AUTHOR

Aaron David Fairbanks

BP1017 Line segments linking same-coloured dots would intersect vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

This is a less noisy version of BP261.

Adjacent-numbered pages:
BP1012 BP1013 BP1014 BP1015 BP1016  *  BP1018 BP1019 BP1020 BP1021 BP1022

KEYWORD

easy, nice, precise, allsorted, perfect, traditional, finishedexamples, preciseworld

CONCEPT lines_coincide (info | search),
imagined_line_or_curve (info | search),
imagined_entity (info | search),
overlap (info | search)

AUTHOR

Leo Crabbe

BP1019 White space in two circles maximum vs. white space in three circles maximum.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1014 BP1015 BP1016 BP1017 BP1018  *  BP1020 BP1021 BP1022 BP1023 BP1024

KEYWORD

nice, precise, traditional

CONCEPT recursion_number (info | search),
separated_regions (info | search),
circle (info | search),
recursion (info | search),
two (info | search),
three (info | search)

WORLD

circles_cross [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP1022 Nesting vs. no nesting.
(edit; present; nest [left/right]; search; history)
CROSSREFS

See BP1061 for a version of this with only squares and which allows infinite nesting.

See BP71 for a Problem about counting levels of nesting.

Adjacent-numbered pages:
BP1017 BP1018 BP1019 BP1020 BP1021  *  BP1023 BP1024 BP1025 BP1026 BP1027

KEYWORD

easy, nice, precise, allsorted, traditional

CONCEPT recursion_number (info | search),
separated_regions (info | search),
inside (info | search),
recursion (info | search)

WORLD

varied_thickness_curves_drawing [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP1044 More black circles than white circles vs. at least as many white circles as black circles.
(edit; present; nest [left/right]; search; history)
CROSSREFS

See the twin BP1046.

Adjacent-numbered pages:
BP1039 BP1040 BP1041 BP1042 BP1043  *  BP1045 BP1046 BP1047 BP1048 BP1049

KEYWORD

precise, allsorted, spectrum, discrete, preciseworld

CONCEPT ratio (info | search)

WORLD

outline_or_fill_circles_same_size [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP1045 More of some color vs. half and half.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1040 BP1041 BP1042 BP1043 BP1044  *  BP1046 BP1047 BP1048 BP1049 BP1050

KEYWORD

precise, allsorted, preciseworld

CONCEPT ratio (info | search)

WORLD

outline_or_fill_circles_same_size [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP1046 More white circles than black circles vs. at least as many black circles as white circles.
(edit; present; nest [left/right]; search; history)
CROSSREFS

See the twin BP1044.

Adjacent-numbered pages:
BP1041 BP1042 BP1043 BP1044 BP1045  *  BP1047 BP1048 BP1049 BP1050 BP1051

KEYWORD

precise, allsorted, spectrum, discrete, preciseworld

CONCEPT ratio (info | search)

WORLD

outline_or_fill_circles_same_size [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP1047 At least twice as many of one color than the other vs. neither color attains double the other.
(edit; present; nest [left/right]; search; history)
CROSSREFS

See the twin BP1052.

Adjacent-numbered pages:
BP1042 BP1043 BP1044 BP1045 BP1046  *  BP1048 BP1049 BP1050 BP1051 BP1052

KEYWORD

precise, allsorted, preciseworld

CONCEPT ratio (info | search),
two (info | search),
three (info | search)

WORLD

outline_or_fill_circles_same_size [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

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