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Search: ex:EX3114
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BP260 Squares are either all empty or all contain something vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP255 BP256 BP257 BP258 BP259  *  BP261 BP262 BP263 BP264 BP265

KEYWORD

traditional

CONCEPT all (info | search),
or (info | search),
empty (info | search)

AUTHOR

Carla Rispoli

    page 1

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