# ℩ U+2129 TURNED GREEK SMALL LETTER IOTA

Upside-down small Greek iota, used in logic as the definite description operator for the unique element fulfilling a description.

| | |
|---|---|
| Character | `℩` |
| Codepoint | U+2129 |
| Name | TURNED GREEK SMALL LETTER IOTA |
| Block | [Letterlike Symbols](https://unicodekit.com/block/letterlike-symbols) |
| Script | Common |
| Category | Other Symbol (So) |
| Unicode version | 1.1 |
| HTML | `℩` `℩` |
| CSS | `\2129` |
| JavaScript | `\u2129` |
| UTF-8 | E2 84 A9 |
| UTF-16 | 2129 |

## Notes

- unique element fulfilling a description (logic)

## Related characters

- ℨ [U+2128 BLACK-LETTER CAPITAL Z](https://unicodekit.com/char/2128)
- K [U+212A KELVIN SIGN](https://unicodekit.com/char/212A)
- ℧ [U+2127 INVERTED OHM SIGN](https://unicodekit.com/char/2127)
- Å [U+212B ANGSTROM SIGN](https://unicodekit.com/char/212B)
- Ω [U+2126 OHM SIGN](https://unicodekit.com/char/2126)
- ℬ [U+212C SCRIPT CAPITAL B](https://unicodekit.com/char/212C)
- ℥ [U+2125 OUNCE SIGN](https://unicodekit.com/char/2125)
- ℭ [U+212D BLACK-LETTER CAPITAL C](https://unicodekit.com/char/212D)
- ℤ [U+2124 DOUBLE-STRUCK CAPITAL Z](https://unicodekit.com/char/2124)
- ℮ [U+212E ESTIMATED SYMBOL](https://unicodekit.com/char/212E)
- ℣ [U+2123 VERSICLE](https://unicodekit.com/char/2123)
- ℯ [U+212F SCRIPT SMALL E](https://unicodekit.com/char/212F)

Page: https://unicodekit.com/char/2129 · JSON: https://unicodekit.com/characters/2129