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BP1227 Appears on its own right side vs. does not.
(edit; present; nest [left/right]; search; history)
COMMENTS

This was created as an example of a Bongard Problem that could include an image of a Bongard Problem with the same solution as itself but could not include the very image of itself (appearing within itself fractally).

CROSSREFS

See also BP961, "appears on its own left side vs. appears on its own right side".

Adjacent-numbered pages:
BP1222 BP1223 BP1224 BP1225 BP1226  *  BP1228 BP1229 BP1230 BP1231 BP1232

KEYWORD

stub, precise, allsorted, notso, handed, leftright, example, perfect, infinitedetail

CONCEPT fractal (info | search),
recursion (info | search)

AUTHOR

Aaron David Fairbanks

BP1228 Frieze pattern with glide reflection symmetry vs. not.
(edit; present; nest [left/right]; search; history)
COMMENTS

Each example on the left is imagined to continue beyond the bounding box.

CROSSREFS

Adjacent-numbered pages:
BP1223 BP1224 BP1225 BP1226 BP1227  *  BP1229 BP1230 BP1231 BP1232 BP1233

KEYWORD

stub, notso, traditional, bordercontent, seemslike

CONCEPT symmetry (info | search)

AUTHOR

Aaron David Fairbanks

BP1229 Translational symmetry vs. no translational symmetry.
(edit; present; nest [left/right]; search; history)
COMMENTS

Each example on the left is imagined to continue beyond the bounding box.

CROSSREFS

Adjacent-numbered pages:
BP1224 BP1225 BP1226 BP1227 BP1228  *  BP1230 BP1231 BP1232 BP1233 BP1234

KEYWORD

stub, notso, seemslike

CONCEPT symmetry (info | search)

AUTHOR

Aaron David Fairbanks

BP1230 Invariant under scaling by a certain amount vs. not.
(edit; present; nest [left/right]; search; history)
COMMENTS

Each example on the left is imagined to continue beyond the bounding box.

CROSSREFS

Adjacent-numbered pages:
BP1225 BP1226 BP1227 BP1228 BP1229  *  BP1231 BP1232 BP1233 BP1234 BP1235

KEYWORD

stub, notso, perfect, infinitedetail, left-couldbe, bordercontent

CONCEPT fractal (info | search),
recursion (info | search),
symmetry (info | search)

AUTHOR

Aaron David Fairbanks

BP1232 Curves with at least one crossing vs. curves do not cross.
(edit; present; nest [left/right]; search; history)
COMMENTS

Based on BP30, "curve with exactly one self-crossing vs. curve without a self-crossing". This is just a slightly more general version.

CROSSREFS

Adjacent-numbered pages:
BP1227 BP1228 BP1229 BP1230 BP1231  *  BP1233 BP1234 BP1235 BP1236 BP1237

EXAMPLE

EX6881

KEYWORD

stub, notso, traditional

CONCEPT x-crossing (info | search),
existence (info | search)

WORLD

crosscurves [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP1233 Different curves cross each other vs. curves only cross themselves (or do not cross at all).
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1228 BP1229 BP1230 BP1231 BP1232  *  BP1234 BP1235 BP1236 BP1237 BP1238

KEYWORD

notso, traditional

CONCEPT distinguishing_crossing_curves (info | search),
x-crossing (info | search)

WORLD

smooth_crosscurves [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP1237 Connected fractal vs. disconnected fractal.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1232 BP1233 BP1234 BP1235 BP1236  *  BP1238 BP1239 BP1240 BP1241 BP1242

KEYWORD

notso, perfect, infinitedetail

CONCEPT connected_component (info | search),
fractal (info | search)

WORLD

fractal_self_tile [smaller | same | bigger]
zoom in left (connected_fractal_self_tile)

AUTHOR

Jago Collins

BP1238 Fractal with hole vs. fractal with no hole (simply connected).
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1233 BP1234 BP1235 BP1236 BP1237  *  BP1239 BP1240 BP1241 BP1242 BP1243

KEYWORD

notso, perfect, infinitedetail

CONCEPT existence (info | search),
fractal (info | search),
hole (info | search),
loop (info | search)

WORLD

connected_fractal_self_tile [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP1239 Fractal topologically closed (each white point has a neighborhood of pure white surrounding it) vs. not
(edit; present; nest [left/right]; search; history)
COMMENTS

It isn't possible to unambiguously communicate whether or not a few specific points are missing.

CROSSREFS

Adjacent-numbered pages:
BP1234 BP1235 BP1236 BP1237 BP1238  *  BP1240 BP1241 BP1242 BP1243 BP1244

KEYWORD

notso, perfect, infinitedetail

CONCEPT fractal (info | search)

AUTHOR

Aaron David Fairbanks

BP1241 Any point contained in (arbitrarily) smaller version of self vs. not so.
(edit; present; nest [left/right]; search; history)
COMMENTS

Note if any point is contained in some smaller version of the whole, then any point is contained in arbitrarily smaller versions of the whole.


It isn't possible to unambiguously communicate in a picture whether or not a few specific points are included in the fractal. The pictures are interpreted as what is intuitively simplest. To make matters less ambiguous, all the fractals here contain all points arbitrarily close to points in them. (They are topologically closed. See also BP1239.)


The left hand side of this is a stronger condition than the left hand side of BP1116.

CROSSREFS

Adjacent-numbered pages:
BP1236 BP1237 BP1238 BP1239 BP1240  *  BP1242 BP1243 BP1244 BP1245 BP1246

KEYWORD

notso, perfect, infinitedetail

CONCEPT fractal (info | search),
recursion (info | search),
self-reference (info | search)

WORLD

connected_fractal [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

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