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BP332 Wireframe drawing of solid vs. drawing of opaque solid.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP327 BP328 BP329 BP330 BP331  *  BP333 BP334 BP335 BP336 BP337

KEYWORD

projectionmatters, contributepairs, traditional

AUTHOR

Aaron David Fairbanks

BP333 Drawing of platonic solid (regular polyhedron) vs. drawing of non-platonic solid.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP328 BP329 BP330 BP331 BP332  *  BP334 BP335 BP336 BP337 BP338

KEYWORD

stretch, math, 3d, traditional, left-couldbe

AUTHOR

Aaron David Fairbanks

BP334 Odd number of dots vs. even number of dots.
(edit; present; nest [left/right]; search; history)
CROSSREFS

See BP334 for a version of the same idea, but using arbitrary shapes instead of dots.

Adjacent-numbered pages:
BP329 BP330 BP331 BP332 BP333  *  BP335 BP336 BP337 BP338 BP339

KEYWORD

precise, allsorted, number, math, left-narrow, right-narrow, right-null, help, traditional, preciseworld

CONCEPT even_odd (info | search)

WORLD

dots [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP335 Tessellates the plane vs. does not tessellate the plane.
(edit; present; nest [left/right]; search; history)
COMMENTS

EX7152 is an example of a shape than can be stretched in such a way that it no longer tessellates the plane. This is a property that is only exhibited by shapes that tessellate with rotated copies of themselves. - Leo Crabbe, Mar 05 2021

CROSSREFS

Adjacent-numbered pages:
BP330 BP331 BP332 BP333 BP334  *  BP336 BP337 BP338 BP339 BP340

KEYWORD

nice, stretch, unstable, math, hardsort, creativeexamples, proofsrequired, perfect, pixelperfect, traditional

CONCEPT infinite_plane (info | search),
tessellation (info | search),
tiling (info | search)

WORLD

shape [smaller | same | bigger]
zoom in left (fill_shape)

AUTHOR

Aaron David Fairbanks

BP336 One gear turns all vs. no gear turns all.
(edit; present; nest [left/right]; search; history)
CROSSREFS

See BP536 for all gears can turn.

Adjacent-numbered pages:
BP331 BP332 BP333 BP334 BP335  *  BP337 BP338 BP339 BP340 BP341

KEYWORD

nice, stretch, physics, traditional

CONCEPT all (info | search),
turn_orientation (info | search),
every_other (info | search),
gear (info | search),
on_line_or_curve (info | search),
tracing_line_or_curve (info | search),
imagined_motion (info | search),
motion (info | search)

WORLD

gears [smaller | same | bigger]
zoom in left | zoom in right

AUTHOR

Aaron David Fairbanks

BP337 Black is below upward slopes vs. black is below downward slopes.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP332 BP333 BP334 BP335 BP336  *  BP338 BP339 BP340 BP341 BP342

KEYWORD

nice, dual, handed, leftright, updown, blackwhite, traditional

CONCEPT above_below (info | search),
downward_upward (info | search),
outlined_filled (info | search),
texture (info | search)

AUTHOR

Aaron David Fairbanks

BP338 High approximate similarity vs. lower approximate similarity.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP333 BP334 BP335 BP336 BP337  *  BP339 BP340 BP341 BP342 BP343

KEYWORD

spectrum, traditional, continuous

CONCEPT imperfection_small (info | search),
same_shape (info | search),
same (info | search),
similar_shape (info | search),
similar (info | search)

WORLD

two_shapes [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP339 Union of left sets is right set vs. intersection of left sets is right set.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP334 BP335 BP336 BP337 BP338  *  BP340 BP341 BP342 BP343 BP344

KEYWORD

math, structure, orderedtriplet, traditional, both, neither

CONCEPT set_intersection (info | search),
left_right (info | search),
set_union (info | search)

AUTHOR

Aaron David Fairbanks

BP340 Regular star polygon vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP335 BP336 BP337 BP338 BP339  *  BP341 BP342 BP343 BP344 BP345

KEYWORD

math, traditional

CONCEPT tracing_line_or_curve (info | search),
vertex_of_meeting_lines (info | search),
write_in_single_stroke (info | search)

WORLD

figure_made_of_segments [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP341 Strictly increasing or strictly decreasing border line vs. both increasing and decreasing border line.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP336 BP337 BP338 BP339 BP340  *  BP342 BP343 BP344 BP345 BP346

KEYWORD

math, perfect, pixelperfect, traditional

CONCEPT size_increase_decrease (info | search),
or (info | search),
outlined_filled (info | search),
tracing_line_or_curve (info | search),
texture (info | search)

WORLD

function_graph_black_below_white_above [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

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