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给定以下功能依赖项
F = { A -> BC, CD -> E, B -> D, E -> A }
我无法理解 F |= E -> BC 是错误的。如果你有E,你可以去A,如果你有A,你可以去BC。这个逻辑有什么不正确的?
你的逻辑没有错。F |= E->BC。