U+22D3 "⋓" Double Union Unicode Character
Unicode Version 17.0
⋓
U+22D3 "⋓" Double Union is a mathematical symbol that represents the binary operation of set union applied twice or in an iterated manner, often used in advanced set theory and lattice theory to denote the join of two elements within an algebraic structure, similar to how a single union (∪) combines sets, the double union emphasizes a more complex or repeated joining operation where two union operations are performed either sequentially or on distinct collections of elements.
General Properties
| Code Point | U+22D3 |
| Version Added | 1.1 |
| Name | Double Union |
| Block | Mathematical Operators |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ⋓ |
| HTML Hex Encoding | ⋓ |
| UTF-8 Encoding | 0xE2 0x8B 0x93 |
| UTF-16 Encoding | 0x22D3 |
| UTF-32 Encoding | 0x000022D3 |
| C/C++/Java Escape | \u22d3 |
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 |