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BP1089 Equal number of black and white pixels vs. not
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1084 BP1085 BP1086 BP1087 BP1088  *  BP1090 BP1091 BP1092 BP1093 BP1094

KEYWORD

nice, precise, allsorted, boundingbox, right-null, perfect, pixelperfect, help, preciseworld, bordercontent, blackwhiteinvariant

WORLD

[smaller | same | bigger]

AUTHOR

Jago Collins

BP1088 Top piece can fit into bottom piece without leaving any overhangs vs. not so
(edit; present; nest [left/right]; search; history)
COMMENTS

The piece does not need to slide in from above, unlike the game Tetris.

CROSSREFS

Adjacent-numbered pages:
BP1083 BP1084 BP1085 BP1086 BP1087  *  BP1089 BP1090 BP1091 BP1092 BP1093

KEYWORD

perfect, pixelperfect

AUTHOR

William B Holland

BP1087 A vertical line may pass through both objects vs. no such line exists
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1082 BP1083 BP1084 BP1085 BP1086  *  BP1088 BP1089 BP1090 BP1091 BP1092

KEYWORD

easy, notso, rotate, unorderedpair

CONCEPT vertical (info | search),
direction (info | search)

AUTHOR

William B Holland

BP1086 Endpoints of curve have the same height vs. not so.
(edit; present; nest [left/right]; search; history)
REFERENCE

Solution idea seen here: https://justpuzzles.wordpress.com/2019/07/05/bongard-problem-36-2.

CROSSREFS

Adjacent-numbered pages:
BP1081 BP1082 BP1083 BP1084 BP1085  *  BP1087 BP1088 BP1089 BP1090 BP1091

KEYWORD

nice, rotate, stretch, left-narrow, traditional

CONCEPT same (info | search)

WORLD

[smaller | same | bigger]

AUTHOR

Teun Spaans

BP1085 More triangles on the right vs. more triangles on the left.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1080 BP1081 BP1082 BP1083 BP1084  *  BP1086 BP1087 BP1088 BP1089 BP1090

KEYWORD

stub, dual, handed, leftright

AUTHOR

Aaron David Fairbanks

BP1084 Images of Bongard Problems about images of Bongard Problems vs. images of Bongard Problems not including images of Bongard Problems.
(edit; present; nest [left/right]; search; history)
CROSSREFS

See BP537 for the version with links to pages on the OEBP instead of images of Bongard Problems.

Adjacent-numbered pages:
BP1079 BP1080 BP1081 BP1082 BP1083  *  BP1085 BP1086 BP1087 BP1088 BP1089

KEYWORD

meta (see left/right), miniproblems, perfect, infinitedetail, presentationinvariant

WORLD

boxes_bpimage [smaller | same | bigger]
zoom in left

AUTHOR

Leo Crabbe

BP1083 Image of Bongard Problem where each left example corresponds intuitively to a right example vs. image of Bongard Problem whose examples do not share this correlation.
(edit; present; nest [left/right]; search; history)
CROSSREFS

See BP919 for the version with links to pages on the OEBP instead of images of Bongard Problems.

Adjacent-numbered pages:
BP1078 BP1079 BP1080 BP1081 BP1082  *  BP1084 BP1085 BP1086 BP1087 BP1088

KEYWORD

teach, meta (see left/right), miniproblems, presentationinvariant

WORLD

boxes_bpimage [smaller | same | bigger]

AUTHOR

Leo Crabbe

BP1082 Shapes are congruent if (and only if) they are enclosed in the same space vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1077 BP1078 BP1079 BP1080 BP1081  *  BP1083 BP1084 BP1085 BP1086 BP1087

KEYWORD

stub, precise, allsorted

CONCEPT iff (info | search)

AUTHOR

Leo Crabbe

BP1081 Left is an open subset of the rational numbers vs. not so.
BP1047
BP1048
BP1050
BP1053
BP1044
BP1045
BP1046
BP1052
BP1044
BP1045
BP1046
BP1051
BP1052
BP1054
BP1047
BP1048
BP1050
BP1051
BP1053
BP1054
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1076 BP1077 BP1078 BP1079 BP1080  *  BP1082 BP1083 BP1084 BP1085 BP1086

KEYWORD

meta (see left/right), links, side, wellfounded

CONCEPT semidecidable (info | search),
finite_infinite (info | search)

WORLD

outline_or_fill_circle_bp_clear_set_of_ratios [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP1080 Image of a Bongard Problem vs. other image.
(edit; present; nest [left/right]; search; history)
COMMENTS

Various formats of Bongard Problems frequently seen on the OEBP are showcased on the left side here.

CROSSREFS

See BP968, which distinguishes solvable Bongard Problems from other images still formatted like Bongard Problems (as opposed to this page, which distinguishes Bongard Problems from any other images.)

Adjacent-numbered pages:
BP1075 BP1076 BP1077 BP1078 BP1079  *  BP1081 BP1082 BP1083 BP1084 BP1085

KEYWORD

notso, teach, left-narrow, right-null

CONCEPT bongard_problem (info | search),
categorization (info | search)

AUTHOR

Leo Crabbe

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