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BP137 Dots equal in number to the sides of the closed region vs. dots unequal in number to the sides of the closed region.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP132 BP133 BP134 BP135 BP136  *  BP138 BP139 BP140 BP141 BP142

KEYWORD

left-null, traditional

CONCEPT same_number (info | search),
same (info | search)

AUTHOR

Douglas R. Hofstadter

    page 1

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