Nor

Usage

• Nor[, , ... ] is the logical NOR function. It evaluates its arguments in order, giving False immediately if any of them are True, and True if they are all False.

Notes

• Nor[

, ... ] can be input in StandardForm and InputForm as

... . The character

can be entered as

nor

or \[Nor].

• Nor[

, ... ] is equivalent to Not[Or[

, ... ]].

• Nor evaluates its arguments in a non-standard way (see Section A.4.2).

• Nor gives symbolic results when necessary, removing initial arguments that are False.

• Nor is not Flat.

• See Section 1.5.6.

• See also: LogicalExpand, Or, Xor.

• New in Version 4.1.

Further Examples