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BP252 Impossible solid in 3-D vs. possible solid in 3-D.
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CROSSREFS

Adjacent-numbered pages:
BP247 BP248 BP249 BP250 BP251  *  BP253 BP254 BP255 BP256 BP257

KEYWORD

anticomputer, traditional

CONCEPT impossible (info | search),
3d_impossible_solid (info | search)

AUTHOR

Andreas Gunnarsson

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