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BP111 Middle shape is a triangle vs. middle shape is not a triangle.
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CROSSREFS

Adjacent-numbered pages:
BP106 BP107 BP108 BP109 BP110  *  BP112 BP113 BP114 BP115 BP116

KEYWORD

traditional

CONCEPT between (info | search),
inside (info | search),
triangle (info | search)

AUTHOR

Douglas R. Hofstadter

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