回复:应该没有这么复杂。本来题中还有一问,贴题时少贴了:

来源: 2009-01-04 10:55:22 [旧帖] [给我悄悄话] 本文已被阅读:

Counter example: let C be the set of positive Transcendental numbers, and A, B split the remaining set.