U+2208 "∈" Element Of Unicode Character
Unicode Version 17.0
∈
U+2208 "∈" Element Of is a mathematical symbol used in set theory to indicate that a particular item or element is a member of a given set. It is one of the core notations introduced by Giuseppe Peano and later popularized by Bertrand Russell, and it appears frequently in fields like logic, computer science, and advanced mathematics to express relationships between objects and collections. The symbol resembles a stylized lowercase epsilon, and it appears in the Mathematical Operators block of the Unicode standard where it has been available since version 1.1.
General Properties
| Code Point | U+2208 |
| Version Added | 1.1 |
| Name | Element Of |
| Block | Mathematical Operators |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
| Mirrored | Yes |
| Mirrored Character | "∋" U+220B Contains as Member |
Encodings
| HTML Decimal Encoding | ∈ |
| HTML Hex Encoding | ∈ |
| UTF-8 Encoding | 0xE2 0x88 0x88 |
| UTF-16 Encoding | 0x2208 |
| UTF-32 Encoding | 0x00002208 |
| C/C++/Java Escape | \u2208 |