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Who Cites xor?
xorDef  P XOR Q == P  Q & (P & Q)
Thm*  P,Q:Prop. (P XOR Q Prop
notDef  A == A  False
Thm*  A:Prop. (A Prop

Syntax:P XOR Q has structure: xor(PQ)

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WhoCites Definitions LogicSupplement Sections DiscrMathExt Doc