- 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.
Introduced in 2008