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BP794 Meta Bongard Problems that can contain an infinite chain of Bongard Problems containing Bongard Problems vs. this can never happen.
BP794
BP1073
BP552
BP553
BP554
BP556
BP567
BP572
BP838
BP913
BP958
BP976
BP995
BP1079
BP1081
(edit; present; nest [left/right]; search; history)
COMMENTS

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


This BP is not wellfounded, but its right side is. A paradoxical BP would be "Meta Bongard Problems that can contain an infinite chain of Bongard Problems containing Bongard Problems on the right side vs. this can never happen": where does it sort itself?

CROSSREFS

left-self or right-self implies not wellfounded.


Wellfounded implies not feedback.

Adjacent-numbered pages:
BP789 BP790 BP791 BP792 BP793  *  BP795 BP796 BP797 BP798 BP799

KEYWORD

meta (see left/right), links, keyword, left-self, metameta, left-it, feedback

CONCEPT recursion (info | search)

WORLD

linksbp [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP800 Bongard Problem with solution relating to concept: golden ratio vs. Bongard Problem unrelated to this concept.
BP797
(edit; present; nest [left/right]; search; history)
CROSSREFS

The solution for BP797left is image related to this concept.

Adjacent-numbered pages:
BP795 BP796 BP797 BP798 BP799  *  BP801 BP802 BP803 BP804 BP805

KEYWORD

meta (see left/right), links, metaconcept

CONCEPT This MBP is about BPs that feature concept: "golden_ratio"

WORLD

bp [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP804 Bongard Problem with solution relating to concept: vertical vs. Bongard Problem unrelated to this concept.
BP7
BP13
BP19
BP65
BP66
BP95
BP116
BP132
BP147
BP192
BP206
BP268
BP270
BP280
BP281
BP1087
BP1206
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP799 BP800 BP801 BP802 BP803  *  BP805 BP806 BP807 BP808 BP809

KEYWORD

meta (see left/right), links, metaconcept

CONCEPT This MBP is about BPs that feature concept: "vertical"

WORLD

bp [smaller | same | bigger]

AUTHOR

Harry E. Foundalis

BP807 Bongard Problem with solution relating to concept: direction vs. Bongard Problem unrelated to this concept.
BP16
BP54
BP55
BP199
BP206
BP208
BP215
BP226
BP234
BP238
BP273
BP274
BP1087
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP802 BP803 BP804 BP805 BP806  *  BP808 BP809 BP810 BP811 BP812

KEYWORD

meta (see left/right), links, metaconcept, primitive

CONCEPT This MBP is about BPs that feature concept: "direction"

WORLD

bp [smaller | same | bigger]

AUTHOR

Harry E. Foundalis

BP808 Bongard Problem with solution relating to concept: flow of liquid vs. Bongard Problem unrelated to this concept.
BP274
BP896
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP803 BP804 BP805 BP806 BP807  *  BP809 BP810 BP811 BP812 BP813

KEYWORD

meta (see left/right), links, metaconcept

CONCEPT This MBP is about BPs that feature concept: "liquid_flow"

WORLD

bp [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP817 Bongard Problems with solution relating to concept: cross section vs. Bongard Problem unrelated to this concept.
BP559
BP816
(edit; present; nest [left/right]; search; history)
COMMENTS

Bongard Problems with solutions related to cross sections of 3D shapes.

CROSSREFS

Adjacent-numbered pages:
BP812 BP813 BP814 BP815 BP816  *  BP818 BP819 BP820 BP821 BP822

KEYWORD

meta (see left/right), links, metaconcept

CONCEPT This MBP is about BPs that feature concept: "cross_section"

WORLD

bp [smaller | same | bigger]

AUTHOR

Leo Crabbe

BP819 Allocated for user.
BP257
BP818
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP814 BP815 BP816 BP817 BP818  *  BP820 BP821 BP822 BP823 BP824

KEYWORD

meta (see left/right), links, metaconcept

CONCEPT This MBP is about BPs that feature concept: "distance_from_center"

WORLD

bp [smaller | same | bigger]

BP821 Impossible Bongard Problems vs. possible Bongard Problems.
BP868
BP915
BP1263
BP252
BP821
(edit; present; nest [left/right]; search; history)
COMMENTS

Bongard Problems sorted left have the keyword "impossible" on the OEBP.


"Impossible Bongard Problem" is a loose term, but it roughly means the Bongard Problem solution idea can't be displayed as an image.


BP868, the version of this whose examples are images of Bongard Problems (miniproblems), rather than links to pages on the OEBP, is impossible. - Aaron David Fairbanks, Jul 29 2020

CROSSREFS

See overriddensolution for solutions that Bongard Problems can have, but that will not be chosen by a reasonable person as the best solution.

Adjacent-numbered pages:
BP816 BP817 BP818 BP819 BP820  *  BP822 BP823 BP824 BP825 BP826

KEYWORD

meta (see left/right), links, keyword, right-self

CONCEPT impossible (info | search)

WORLD

bp [smaller | same | bigger]

AUTHOR

Leo Crabbe

BP837 Bongard Problems in which individual examples may be unclearly sorted (it may be arguable which side they should go on) but many examples together are still able to communicate the solution vs. other Bongard Problems.
BP331
BP359
BP360
BP393
BP801
BP813
BP847
(edit; present; nest [left/right]; search; history)
COMMENTS

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


Some Bongard Problems are "collective" in a more extreme way than others. Perhaps there are absolutely no individual examples that anyone would confidently sort on either side, and the solver can only be expected to get a vague gist by seeing them all together. Or perhaps in practice most people agree about where most examples should fit, even though a stretch of an argument could conceivably be made for each one fitting on the other side.


In some collective Bongard Problems, each example admits a number of possible interpretations, and the correct choice of interpretation is only clear once the solution is known. The group of examples together improve the solver's confidence about having understood each individual one right. This is common in rules Bongard Problems), where each example communicates its own rule.


Collective Bongard Problems are borderline invalid Bongard Problems (see https://www.oebp.org/invalid.php ). There is no one rule dividing the sides; the solution is not a method to determine whether an arbitrary example fits left or right. It is a less strict kind of Bongard Problem.

CROSSREFS

Collective implies fuzzy.

Collective Bongard Problems are often abstract".

Subjective Bongard Problems are often collective.


In some Bongard Problems, each example has a corresponding slightly different twin example on the other side (keyword contributepairs), and it is necessary to see both examples together in order to be able to sort either of them. This is related to "collective" but not quite the same. It becomes unambiguous where an example fits once its twin is seen.

Adjacent-numbered pages:
BP832 BP833 BP834 BP835 BP836  *  BP838 BP839 BP840 BP841 BP842

KEYWORD

meta (see left/right), links, keyword

WORLD

bp [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP857 Bongard Problems with solution relating to concept: collision of objects vs. Bongard Problems unrelated to this concept.
BP358
BP856
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP852 BP853 BP854 BP855 BP856  *  BP858 BP859 BP860 BP861 BP862

KEYWORD

meta (see left/right), links, metaconcept

CONCEPT This MBP is about BPs that feature concept: "collision"

WORLD

bp [smaller | same | bigger]

AUTHOR

Leo Crabbe

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