# ⟦ U+27E6 MATHEMATICAL LEFT WHITE SQUARE BRACKET

Double-lined opening square bracket, like two brackets fused, used in Z notation for bags and in semantic or denotation brackets in computer science and logic.

| | |
|---|---|
| Character | `⟦` |
| Codepoint | U+27E6 |
| Name | MATHEMATICAL LEFT WHITE SQUARE BRACKET |
| Also known as | z notation left bag bracket |
| Block | [Miscellaneous Mathematical Symbols-A](https://unicodekit.com/block/miscellaneous-mathematical-symbols-a) |
| Script | Common |
| Category | Open Punctuation (Ps) |
| Unicode version | 3.2 |
| HTML | `⟦` `⟦` |
| CSS | `\27E6` |
| JavaScript | `\u27E6` |
| UTF-8 | E2 9F A6 |
| UTF-16 | 27E6 |

## Related characters

- ⟥ [U+27E5 WHITE SQUARE WITH RIGHTWARDS TICK](https://unicodekit.com/char/27E5)
- ⟧ [U+27E7 MATHEMATICAL RIGHT WHITE SQUARE BRACKET](https://unicodekit.com/char/27E7)
- ⟤ [U+27E4 WHITE SQUARE WITH LEFTWARDS TICK](https://unicodekit.com/char/27E4)
- ⟨ [U+27E8 MATHEMATICAL LEFT ANGLE BRACKET](https://unicodekit.com/char/27E8)
- ⟣ [U+27E3 WHITE CONCAVE-SIDED DIAMOND WITH RIGHTWARDS TICK](https://unicodekit.com/char/27E3)
- ⟩ [U+27E9 MATHEMATICAL RIGHT ANGLE BRACKET](https://unicodekit.com/char/27E9)
- ⟢ [U+27E2 WHITE CONCAVE-SIDED DIAMOND WITH LEFTWARDS TICK](https://unicodekit.com/char/27E2)
- ⟪ [U+27EA MATHEMATICAL LEFT DOUBLE ANGLE BRACKET](https://unicodekit.com/char/27EA)
- ⟡ [U+27E1 WHITE CONCAVE-SIDED DIAMOND](https://unicodekit.com/char/27E1)
- ⟫ [U+27EB MATHEMATICAL RIGHT DOUBLE ANGLE BRACKET](https://unicodekit.com/char/27EB)
- ⟠ [U+27E0 LOZENGE DIVIDED BY HORIZONTAL RULE](https://unicodekit.com/char/27E0)
- ⟬ [U+27EC MATHEMATICAL LEFT WHITE TORTOISE SHELL BRACKET](https://unicodekit.com/char/27EC)

Page: https://unicodekit.com/char/27E6 · JSON: https://unicodekit.com/characters/27E6