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Search: ex:EX8804
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BP1087 A vertical line may pass through both objects vs. no such line exists
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1082 BP1083 BP1084 BP1085 BP1086  *  BP1088 BP1089 BP1090 BP1091 BP1092

KEYWORD

easy, notso, rotate, unorderedpair

CONCEPT vertical (info | search),
direction (info | search)

AUTHOR

William B Holland

    page 1

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