Not or NOT may also refer to:
Language
* Not, the general declarative form of
"no", indicating a negation of a related statement that usually precedes
*
... Not!, a grammatical construction used as a contradiction, popularized in the early 1990s
Science and technology
*
Negation
In logic, negation, also called the logical not or logical complement, is an operation (mathematics), operation that takes a Proposition (mathematics), proposition P to another proposition "not P", written \neg P, \mathord P, P^\prime or \over ...
, a unary operator in logic depicted as
~,
¬, or
!
*
Bitwise NOT
In computer programming, a bitwise operation operates on a bit string, a bit array or a binary numeral (considered as a bit string) at the level of its individual bits. It is a fast and simple action, basic to the higher-level arithmetic operatio ...
, an operator used in computer programming
*
NOT gate, a digital logic gate (commonly called an inverter)
*
Nordic Optical Telescope, an astronomical telescope at Roque de los Muchachos Observatory, La Palma, Canary Islands
Other uses
*
Nottingham railway station (station code NOT)
*
Polish Federation of Engineering Associations (''Naczelna Organizacja Techniczna'')
*
Not, Missouri, an unincorporated community in the United States
*
"Not" (song), a 2019 song by Big Thief
See also
*
Knot (disambiguation)
{{disambiguation