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Search: ex:EX1359
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BP114 Four X-like points vs. two X-like points.
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CROSSREFS

Adjacent-numbered pages:
BP109 BP110 BP111 BP112 BP113  *  BP115 BP116 BP117 BP118 BP119

KEYWORD

traditional

CONCEPT x-crossing (info | search),
number (info | search)

AUTHOR

Douglas R. Hofstadter

    page 1

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