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Xor

Usage

Xor[ ,  , ... ] 是逻辑XOR函数。
• 如果奇数个 True,其余是False,它给出True。如果偶数个 True,其余是False,它给出False


Notes

• 需要时,Xor 给出符号结果,并对它们应用各种简化规则。
• 不像AndOrXor不是一个控制结构,没有属性HoldAll
• 参见Mathematica 全书: 1.5.6.
• 同时参见: LogicalExpand.
Further Examples

An odd number of occurrences of True makes Xor True; an even number makes it False.

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