NOT

Noun

 * 1)  A unary operation on logical values that changes true to false, and false to true.

Usage notes

 * The symbols ¬, !, ~, ˈ and Ā have all been used for the NOT operator in various contexts.
 * Boolean variables and states (,, , , etc.) are commonly written in all uppercase in order to distinguish them from the ordinary uses of the words.

Translations

 * French:
 * German: Nicht
 * Japanese: NOT,

Etymology
.

Proper noun

 * : Polish Federation of Engineering Associations

Declension
Indeclinable, or: