Not an Element Of Symbol (∉)

Not an Element Of Symbol

The not-an-element-of symbol states that an object does not belong to a set.

Codes for ∉

Unicode
HTML entity
HTML decimal
HTML hexadecimal
CSS escape
JavaScript

How to Type ∉ on Windows and Word

For the most reliable Windows method, copy the symbol from this page. In Microsoft Word, type 2209 and press Alt+X. Word converts the hexadecimal Unicode value into ∉. Press Alt+X again to switch the symbol back to its code.

How to Type ∉ on Mac, Chromebook, and Linux

On a Mac, open Character Viewer with Control+Command+Space, search for “Not an Element Of Symbol”, and insert it. Chromebook users can copy the symbol or use the Unicode input method where supported. On Linux, press Ctrl+Shift+U, type 2209, and press Enter.

Examples and Correct Usage

Write x ∉ A when x is excluded from set A.

Use the actual Unicode character rather than a visually similar keyboard substitute when the distinction matters in mathematics, science, accessibility, searching, or data processing.