Algebra, Set, and Logic Symbols
Copy symbols used for membership, subsets, unions, intersections, logic, and mappings.
These characters are common in algebra, discrete mathematics, computer science, formal logic, and proofs.
Copy Algebra, Set, and Logic Symbols
| Symbol | Name | Unicode | HTML | Decimal HTML |
|---|---|---|---|---|
| Element Of | U+2208 | |||
| Not an Element Of | U+2209 | |||
| Contains as Member | U+220B | |||
| Subset Of | U+2282 | |||
| Subset of or Equal To | U+2286 | |||
| Superset Of | U+2283 | |||
| Superset of or Equal To | U+2287 | |||
| Union | U+222A | |||
| Intersection | U+2229 | |||
| Empty Set | U+2205 | |||
| For All | U+2200 | |||
| There Exists | U+2203 |
Reliable Ways to Type These Symbols
Copying is the most consistent method across browsers and mobile devices. In Microsoft Word, type the hexadecimal digits from the Unicode value without U+, then press Alt+X. On Linux, many applications accept Ctrl+Shift+U, followed by the hexadecimal code and Enter. macOS users can enable the Unicode Hex Input keyboard in System Settings and hold Option while entering the code.