login
Hints
(Greetings from The On-Line Encyclopedia of Bongard Problems!)
Search: all:new
Displaying 1-10 of 699 results found. ( next )     page 1 2 3 4 5 6 7 8 9 10 11 ... 70
     Sort: recent      Format: long      Filter: (all | no meta | meta)      Mode: (words | no words)
BP1269 Identical pairs of symbols are always on opposite sides of the cube (when assembled) vs. some identical symbols are next to each other on the cube.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1264 BP1265 BP1266 BP1267 BP1268  * 

KEYWORD

left-finite, right-finite, finishedexamples, preciseworld

CONCEPT cube (info | search),
correspondence (info | search),
3d_net (info | search),
3d_solid (info | search)

AUTHOR

Leo Crabbe

BP1268 Palindromic when elements are grouped into (more than one) equal-sized blocks vs. no grouping of elements into (more than one) equal-sized blocks is palindromic.
(edit; present; nest [left/right]; search; history)
COMMENTS

Any palindrome would be sorted left, except strings of length zero or one.

CROSSREFS

Adjacent-numbered pages:
BP1263 BP1264 BP1265 BP1266 BP1267  *  BP1269

KEYWORD

precise, allsorted, unwordable, sequence, traditional, miniworlds

CONCEPT element_wise_symmetry (info | search),
sequence (info | search),
same_shape (info | search),
same (info | search)

WORLD

zoom in left | zoom in right

AUTHOR

Leo Crabbe

BP1267 Any two lines intersect, and no three lines share an intersection point vs. not so.
(edit; present; nest [left/right]; search; history)
COMMENTS

Left-sorted examples divide the plane into a maximal amount of disconnected white regions by a given number of "cuts". The number of regions in one of these examples will be the nth value of of the Lazy Caterer sequence ( https://oeis.org/A000124 ), where n is the number of lines.

REFERENCE

https://en.wikipedia.org/wiki/Lazy_caterer%27s_sequence

CROSSREFS

Adjacent-numbered pages:
BP1262 BP1263 BP1264 BP1265 BP1266  *  BP1268 BP1269

KEYWORD

precise, allsorted, notso, perfect

AUTHOR

Leo Crabbe

BP1266 Angles either only increase or only decrease as one moves along the curve vs. not so.
(edit; present; nest [left/right]; search; history)
COMMENTS

It does not matter which end of the curve one starts from, nor which "side" angles are measured from, so long as the side is kept consistent.

CROSSREFS

Adjacent-numbered pages:
BP1261 BP1262 BP1263 BP1264 BP1265  *  BP1267 BP1268 BP1269

KEYWORD

allsorted, notso, traditional

CONCEPT angle (info | search),
size_increase_decrease (info | search)

AUTHOR

Leo Crabbe

BP1264 Any shape's axis of reflection is shared by another shape vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1259 BP1260 BP1261 BP1262 BP1263  *  BP1265 BP1266 BP1267 BP1268 BP1269

KEYWORD

precise, allsorted, notso, left-narrow

CONCEPT symmetry (info | search)

AUTHOR

Leo Crabbe

BP1263 Uncategorizable images vs. categorizable images.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1258 BP1259 BP1260 BP1261 BP1262  *  BP1264 BP1265 BP1266 BP1267 BP1268

KEYWORD

overriddensolution, left-finite, left-full, right-null, invalid, impossible, funny

WORLD

[smaller | same | bigger]

AUTHOR

Leo Crabbe

BP1262 Shapes overlap in every possible way vs. not so.
(edit; present; nest [left/right]; search; history)
COMMENTS

Similar solution to BP1261, except overlaps do not have to be unique.

CROSSREFS

Adjacent-numbered pages:
BP1257 BP1258 BP1259 BP1260 BP1261  *  BP1263 BP1264 BP1265 BP1266 BP1267

KEYWORD

precise, left-null

AUTHOR

Leo Crabbe

BP1261 Exactly one connected white region for each possible way shapes can overlap vs. not so.
(edit; present; nest [left/right]; search; history)
COMMENTS

All left-sorted examples have 2^n distinct white regions (counting the background), where n is the number of shapes in the image.

REFERENCE

https://en.wikipedia.org/wiki/Venn_diagram

CROSSREFS

Similar solution to BP1262, except there overlaps do not have to be unique.

Adjacent-numbered pages:
BP1256 BP1257 BP1258 BP1259 BP1260  *  BP1262 BP1263 BP1264 BP1265 BP1266

KEYWORD

notso, left-narrow, left-null, perfect

CONCEPT exists_one (info | search)

AUTHOR

Leo Crabbe

BP1260 Same transformation applied to circle, triangle, and square vs. different transformations applied.
(edit; present; nest [left/right]; search; history)
CROSSREFS

BP839 is about applying opposite transformations to a single object.

Adjacent-numbered pages:
BP1255 BP1256 BP1257 BP1258 BP1259  *  BP1261 BP1262 BP1263 BP1264 BP1265

KEYWORD

easy, nice, abstract, arbitrary, anticomputer, left-null, structure, orderedtriplet, traditional, rules

CONCEPT circle (info | search),
analogy (info | search),
square (info | search),
same (info | search),
triangle (info | search),
function (info | search)

AUTHOR

Aaron David Fairbanks

BP1259 Rule is the same for rows as it is for columns vs. not
?
?
?
(edit; present; nest [left/right]; search; history)
CROSSREFS

All examples on the left are chosen so that rotating or flipping the grid in any way would result in a grid satisfying the same rule.

Adjacent-numbered pages:
BP1254 BP1255 BP1256 BP1257 BP1258  *  BP1260 BP1261 BP1262 BP1263 BP1264

KEYWORD

notso, rules, grid, miniworlds

WORLD

grid_of_images_with_rule [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

( next )     page 1 2 3 4 5 6 7 8 9 10 11 ... 70

Welcome | Solve | Browse | Lookup | Recent | Links | Register | Contact
Contribute | Keywords | Concepts | Worlds | Ambiguities | Transformations | Invalid Problems | Style Guide | Goals | Glossary