U+21A0 "↠" Rightwards Two Headed Arrow Unicode Character
Unicode Version 17.0
↠
U+21A0 "↠" Rightwards Two Headed Arrow is a typographic symbol classified under the Arrows block, visually represented as a horizontal arrow with two distinct heads on its right side. It is commonly used in mathematical notation and formal logic to denote a surjective function or an epimorphism, indicating that every element in the codomain is mapped to by at least one element in the domain. Its dual headed design distinguishes it from a standard single headed arrow, and it may also appear in diagrams or diagrams to represent a two way or bidirectional relationship when combined with other symbols.
General Properties
| Code Point | U+21A0 |
| Version Added | 1.1 |
| Name | Rightwards Two Headed Arrow |
| Unicode 1.0 Name | Right Two Headed Arrow |
| Block | Arrows |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ↠ |
| HTML Hex Encoding | ↠ |
| UTF-8 Encoding | 0xE2 0x86 0xA0 |
| UTF-16 Encoding | 0x21A0 |
| UTF-32 Encoding | 0x000021A0 |
| C/C++/Java Escape | \u21a0 |
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 |