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BP263 At least one ending edge is straight vs. all ending edges are curved.
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CROSSREFS

Adjacent-numbered pages:
BP258 BP259 BP260 BP261 BP262  *  BP264 BP265 BP266 BP267 BP268

KEYWORD

traditional

CONCEPT curved_straight (info | search),
slope_at_endpoint (info | search)

AUTHOR

Pablo Barenbaum

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