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Search: ex:EX7512
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BP900 Black shape is a valid shadow (2D projection) of 3D shape vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP895 BP896 BP897 BP898 BP899  *  BP901 BP902 BP903 BP904 BP905

KEYWORD

3d, orderedpair

CONCEPT 3d_solid (info | search),
projection (info | search)

AUTHOR

Leo Crabbe

    page 1

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