¬

Not Symbol (¬)

Copy the Not symbol ¬ to your clipboard, and see its Unicode code point, HTML entity, LaTeX command and how to type it on any device.

What does ¬ mean?

The not sign is logical negation: ¬p means “not p”. It is used in logic, set theory and computer science. Its official Unicode name is NOT SIGN.

Codes and properties

Character¬
Unicode nameNOT SIGN
Code pointU+00AC
Decimal172
Unicode blockLatin-1 Supplement
HTML entity¬ · ¬ · ¬
CSS\00AC
JavaScript / JSON\u00AC
Python\u00AC or \N{NOT SIGN}
UTF-8 bytesC2 AC
LaTeX\neg

How to type ¬

  • Copy & paste: press the Copy button above, then paste ¬ anywhere — Word, Google Docs, email, chat or code.
  • Windows (Word, WordPad, Outlook): type 00AC then press Alt+X. In any app, Win+. opens the symbol panel.
  • Windows Alt code: hold Alt and type 0172 (or 170) on the numeric keypad (Num Lock on), then release Alt. Works in Word, Notepad and most desktop apps.
  • Mac shortcut: press Option+L (US keyboard layout).
  • Mac (any symbol): switch to the Unicode Hex Input keyboard, hold Option and type 00AC; or press Ctrl+Cmd+Space and search “not sign”.
  • Linux (GTK/IBus): press Ctrl+Shift+U, type 00ac, then Space.
  • HTML: ¬ renders as ¬.
  • LaTeX: \neg in math mode (amssymb package for some symbols).

Frequently asked questions

How do I type ¬ on Windows?

In Microsoft Word type 00AC and press Alt+X. In any app press Win+. to open the symbol panel, or copy ¬ from this page. You can also hold Alt and type 0172 on the numeric keypad.

How do I type ¬ on a Mac?

Press Option + L on a US keyboard layout, or open the Character Viewer with Ctrl+Cmd+Space and search for it.

What is the HTML code for ¬?

Use ¬ or ¬ (hex) or ¬ (decimal).

What is the LaTeX command for ¬?

Use \neg in math mode.

Related symbols

¹Superscript One·Middle Dot²Superscript Two (Squared)÷Division³Superscript Three (Cubed)×Multiplication⁰Superscript Zero±Plus-Minus

Keep exploring

Reference: Unicode code chart: Latin-1 Supplement (U+0080–U+00FF)