U+29B2 "⦲" Empty Set with Small Circle Above Unicode Character
Unicode Version 17.0
⦲
U+29B2 "⦲" Empty Set with Small Circle Above is a typographic variation of the standard empty set symbol ∅, specifically intended for use in mathematical notation or formal logic to represent a null or void class, with the addition of a small circle placed above the familiar slashed zero shape, which likely serves to distinguish this glyph from similar-looking characters in specialized contexts or to denote a specific type of empty set or relation within advanced set theory or physics.
General Properties
| Code Point | U+29B2 |
| Version Added | 3.2 |
| Name | Empty Set with Small Circle Above |
| Block | Miscellaneous Mathematical Symbols-B |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ⦲ |
| HTML Hex Encoding | ⦲ |
| UTF-8 Encoding | 0xE2 0xA6 0xB2 |
| UTF-16 Encoding | 0x29B2 |
| UTF-32 Encoding | 0x000029B2 |
| C/C++/Java Escape | \u29b2 |
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 |
| Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |