U+228A "⊊" Subset of with Not Equal To Unicode Character
Unicode Version 17.0
⊊
U+228A "⊊" Subset of with Not Equal To is a mathematical symbol that combines the concept of a proper subset with the explicit notation of inequality, indicating that one set is contained within another set but is not equal to it. It is typically used in set theory and advanced mathematics to denote a subset relationship where the first set is strictly smaller than the second, distinguishing it from the regular subset symbol (⊆) which allows for the possibility of equality. This symbol helps clarify precise logical and mathematical statements, particularly in proofs and definitions where the exclusion of equality is critical to the argument.
General Properties
| Code Point | U+228A |
| Version Added | 1.1 |
| Name | Subset of with Not Equal To |
| Unicode 1.0 Name | Subset of or Not Equal To |
| Block | Mathematical Operators |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
| Mirrored | Yes |
| Mirrored Character | "⊋" U+228B Superset of with Not Equal To |
Encodings
| HTML Decimal Encoding | ⊊ |
| HTML Hex Encoding | ⊊ |
| UTF-8 Encoding | 0xE2 0x8A 0x8A |
| UTF-16 Encoding | 0x228A |
| UTF-32 Encoding | 0x0000228A |
| C/C++/Java Escape | \u228a |
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 |