- Xnor[e1, e2, ...] can be input in StandardForm and InputForm as . The character can be entered as EscxnorEsc or \[Xnor].
- Xnor gives symbolic results, applying various simplification rules automatically.
- Unlike And, Nand, Or, and Nor, Xnor must always test all its arguments, so is not a control structure, and does not have attribute HoldAll.
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