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Not or NOT may refer to:


  • Not, the general declarative form of "no", indicating a negation of a related statement that it usually precedes
  • ... Not!, a grammatical construct used as a contradiction, popularized in the early 1990s

Science and technology[edit]

  • Negation, a unary operator in logic depicted as ~, ¬, or !
  • Bitwise NOT, 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[edit]

See also[edit]