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BP1264 Any shape's axis of reflection is shared by another shape vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP1259 BP1260 BP1261 BP1262 BP1263  *  BP1265 BP1266 BP1267 BP1268 BP1269

KEYWORD

precise, allsorted, notso, left-narrow

CONCEPT symmetry (info | search)

AUTHOR

Leo Crabbe

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