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BP1169 Visual Bongard Problems where flipping over the horizontal axis (up/down) renders any example unsortable vs. visual Bongard Problems where some example can be flipped over the horizontal axis and remain sorted.
BP1157
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1164 BP1165 BP1166 BP1167 BP1168  *  BP1170 BP1171 BP1172 BP1173 BP1174

KEYWORD

notso, meta (see left/right), links, problemkiller

AUTHOR

Leo Crabbe

BP1170 Meta Bongard Problems of the form "[transformation] applied to any example renders it unsortable vs. some example can remain sorted after [transformation]" vs. other meta Bongard Problems.
BP1142
BP1144
BP1164
BP1169
BP1171
BP1172
BP1173
(edit; present; nest [left/right]; search; history)
COMMENTS

Left-sorted Bongard Problems have the keyword "problemkiller" on the OEBP.


An example could be unsortable because it does not conform to the format of all the examples in the Bongard Problem, or it could be formatted like the other examples but be treated ambiguously by the solution. It seems the Bongard Problems currently labeled "problemkiller" mostly deal with examples becoming unsortable because they no longer conform to the format. (The examples become unsortable because they leave the "world" of the Bongard Problem. See https://www.oebp.org/world.php .) - Aaron David Fairbanks, Jun 15 2023

CROSSREFS

"Problemkiller" Bongard Problems are notso Bongard Problems.


See keyword invariance, which is about transformations making some example switch sides rather than transformations making all examples unsortable.

Adjacent-numbered pages:
BP1165 BP1166 BP1167 BP1168 BP1169  *  BP1171 BP1172 BP1173 BP1174 BP1175

KEYWORD

notso, meta (see left/right), links, keyword

WORLD

linksbp [smaller | same | bigger]

AUTHOR

Leo Crabbe

BP1171 Visual Bongard Problems where switching black and white in any sorted example renders the example unsortable vs. visual Bongard Problems where some example can have its colours inverted and remain sorted.
BP5
BP962
(edit; present; nest [left/right]; search; history)
COMMENTS

Most visual BPs will be sorted left by this problem, as examples usually have white backgrounds by default.

CROSSREFS

Adjacent-numbered pages:
BP1166 BP1167 BP1168 BP1169 BP1170  *  BP1172 BP1173 BP1174 BP1175 BP1176

KEYWORD

meta (see left/right), links, sideless, right-narrow, problemkiller

AUTHOR

Leo Crabbe

BP1172 Visual Bongard Problems where flipping over the vertical axis (left/right) renders any example unsortable vs. visual Bongard Problems where some example can be flipped over the vertical axis and remain sorted.
BP346
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1167 BP1168 BP1169 BP1170 BP1171  *  BP1173 BP1174 BP1175 BP1176 BP1177

KEYWORD

notso, meta (see left/right), links, problemkiller

AUTHOR

Leo Crabbe

BP1173 Visual Bongard Problems where extending the bounding box of any example in any direction (in white space) renders it unsortable vs. visual Bongard Problems where some example can remain sorted under this transformation.
BP1095
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1168 BP1169 BP1170 BP1171 BP1172  *  BP1174 BP1175 BP1176 BP1177 BP1178

KEYWORD

notso, meta (see left/right), links, problemkiller

AUTHOR

Leo Crabbe

BP1174 Images not currently being used as examples in any other Bongard Problem on the OEBP vs. images used in other Bongard Problems.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1169 BP1170 BP1171 BP1172 BP1173  *  BP1175 BP1176 BP1177 BP1178 BP1179

KEYWORD

oebp, time, invalid, experimental

AUTHOR

Leo Crabbe

BP1175 Each symbol appears once in any given row or column vs. not so.
(edit; present; nest [left/right]; search; history)
REFERENCE

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

CROSSREFS

Adjacent-numbered pages:
BP1170 BP1171 BP1172 BP1173 BP1174  *  BP1176 BP1177 BP1178 BP1179 BP1180

KEYWORD

precise, traditional, grid, miniworlds, dithering

AUTHOR

Leo Crabbe

BP1176 Bongard Problems about grids with varying dimensions vs. Bongard Problems about grids in which all examples show grids with the same dimensions.
BP904
BP981
BP997
BP1057
BP1072
BP1123
BP1147
BP1175
BP1185
BP1187
BP1257
BP1258
BP1259
BP303
BP376
BP1049
BP1223
(edit; present; nest [left/right]; search; history)
COMMENTS

Left examples have the keyword "grid" on the OEBP.


Right examples have the keyword "fixedgrid" on the OEBP.

CROSSREFS

See also sequence versus fixedsequence.

Adjacent-numbered pages:
BP1171 BP1172 BP1173 BP1174 BP1175  *  BP1177 BP1178 BP1179 BP1180 BP1181

KEYWORD

meta (see left/right), links, keyword

WORLD

visualbp [smaller | same | bigger]

AUTHOR

Leo Crabbe

BP1177 Bongard Problems about grids of objects vs. other Bongard Problems.
BP361
BP904
BP981
BP1049
BP1057
BP1072
BP1123
BP1147
BP1175
BP998
BP1097
BP1153
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1172 BP1173 BP1174 BP1175 BP1176  *  BP1178 BP1179 BP1180 BP1181 BP1182

KEYWORD

meta (see left/right), links

AUTHOR

Leo Crabbe

BP1178 Formatted object comparison Bongard Problems where each example pulls from a fixed set of usable objects vs. formatted object comparison Bongard Problems where the set of usable objects varies across examples.
BP904
BP922
BP926
BP931
BP956
BP1147
BP1148
BP1149
BP986
BP1049
BP1123
BP1175
(edit; present; nest [left/right]; search; history)
COMMENTS

Examples sorted by this problem need to be Bongard Problems with some multiple disconnected shapes in them that are formatted in some way.


Problems do not necessarily need symbols to recur across examples to be sorted left.


Right-sorted Problems usually vary their object "language" across examples to emphasise the generality of their solution. Every example in these problems would be thought of as having its own intuitive "world".


TO DO: Figure out whether to implement the prerequisite "You must easily be able to think of a way that a sorted problem could be redrawn such that its sorting in this Problem would switch." This restriction would eliminate problems like BP121 from being sorted, for example, as its solution hinges on the consistency of the symbols across examples. The keyword consistentsymbols already describes problems like this. This also eliminates problems like BP998 from sorting.


TO DO: Should this problem's world be changed from "Formatted object comparison BPs" to "object comparison BPs"? This would allow for some nice Problems like BP841 to be sorted, but may make things too broad.

CROSSREFS

Adjacent-numbered pages:
BP1173 BP1174 BP1175 BP1176 BP1177  *  BP1179 BP1180 BP1181 BP1182 BP1183

KEYWORD

meta (see left/right), links

AUTHOR

Leo Crabbe

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