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In Wikipedia, not is shorthand for What Wikipedia Is Not.

Not is the general declarative form of no, indicating a negative meaning relative to a related statement. Not may refer to: Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 151 languages. ... For other uses, see No (disambiguation). ...

• Logical negation, unary operator in logic
• NOT gate, digital logical gate
• Not!, exclamatory negation or grammatical construction expressing disagreement
• Nordic Optical Telescope
• Scott "NOT" Ian, guitarist for American heavy metal band Anthrax

Negation, in its most basic sense, changes the truth value of a statement to its opposite. ... In mathematics, a unary operation is an operation with only one operand. ... The NOT gate is a digital logic gate that behaves according to the truth table to the right. ... Not! is a grammatical construction in the English language expressing disagreement. ... The dome of the Nordic Optical Telescope. ... Scott Ian Rosenfeld (born December 31, 1963) is the rhythm guitarist for the metal band Anthrax who uses the stage name Scott Ian. ...

See also

• Knot (disambiguation)
• NOTs, or "New Era Dianetics for Operating Thetans", a Scientology term

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