U+2310 "⌐" Reversed Not Sign Unicode Character
Unicode Version 17.0
⌐
U+2310 "⌐" Reversed Not Sign is a typographical symbol that visually inverts the standard logical NOT sign (¬), found at U+00AC, by rotating it 180 degrees. Originally defined for use in technical notation, particularly in older computer documentation and formal logic diagrams, it is sometimes employed as a decorative or informal variant of the negation operator. While it has a designated code point in the Unicode Miscellaneous Technical block, its practical usage is rare in modern computing, and it is more often encountered as a curiosity or an element in creative typography rather than as a functional logic symbol.
General Properties
| Code Point | U+2310 |
| Version Added | 1.1 |
| Name | Reversed Not Sign |
| Block | Miscellaneous Technical |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ⌐ |
| HTML Hex Encoding | ⌐ |
| UTF-8 Encoding | 0xE2 0x8C 0x90 |
| UTF-16 Encoding | 0x2310 |
| UTF-32 Encoding | 0x00002310 |
| C/C++/Java Escape | \u2310 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Pattern Syntax | Yes |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |