This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
Mathematica Character Name

\[Not]

  • Unicode: 00AC.
  • Aliases: Esc ! Esc, Esc not Esc.
  • Prefix operator with built-in evaluation rules.
  • ¬ x is by default interpreted as Not[x], equivalent to !x.