# ⩴ U+2A74 DOUBLE COLON EQUAL

Two colons followed by an equals sign (::=), used for definitions, like in grammar notation and programming.

| | |
|---|---|
| Character | `⩴` |
| Codepoint | U+2A74 |
| Name | DOUBLE COLON EQUAL |
| Block | [Supplemental Mathematical Operators](https://unicodekit.com/block/supplemental-mathematical-operators) |
| Script | Common |
| Category | Math Symbol (Sm) |
| Unicode version | 3.2 |
| HTML | `⩴` `⩴` |
| CSS | `\2A74` |
| JavaScript | `\u2A74` |
| UTF-8 | E2 A9 B4 |
| UTF-16 | 2A74 |
| Decomposition | compat U+003A U+003A U+003D |

## Related characters

- ⩳ [U+2A73 EQUALS SIGN ABOVE TILDE OPERATOR](https://unicodekit.com/char/2A73)
- ⩵ [U+2A75 TWO CONSECUTIVE EQUALS SIGNS](https://unicodekit.com/char/2A75)
- ⩲ [U+2A72 PLUS SIGN ABOVE EQUALS SIGN](https://unicodekit.com/char/2A72)
- ⩶ [U+2A76 THREE CONSECUTIVE EQUALS SIGNS](https://unicodekit.com/char/2A76)
- ⩱ [U+2A71 EQUALS SIGN ABOVE PLUS SIGN](https://unicodekit.com/char/2A71)
- ⩷ [U+2A77 EQUALS SIGN WITH TWO DOTS ABOVE AND TWO DOTS BELOW](https://unicodekit.com/char/2A77)
- ⩰ [U+2A70 APPROXIMATELY EQUAL OR EQUAL TO](https://unicodekit.com/char/2A70)
- ⩸ [U+2A78 EQUIVALENT WITH FOUR DOTS ABOVE](https://unicodekit.com/char/2A78)
- ⩯ [U+2A6F ALMOST EQUAL TO WITH CIRCUMFLEX ACCENT](https://unicodekit.com/char/2A6F)
- ⩹ [U+2A79 LESS-THAN WITH CIRCLE INSIDE](https://unicodekit.com/char/2A79)
- ⩮ [U+2A6E EQUALS WITH ASTERISK](https://unicodekit.com/char/2A6E)
- ⩺ [U+2A7A GREATER-THAN WITH CIRCLE INSIDE](https://unicodekit.com/char/2A7A)

Page: https://unicodekit.com/char/2A74 · JSON: https://unicodekit.com/characters/2A74