Union
Part of Math Symbols
Union has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.
- Alt code
- None
- HTML entity
- ∪
- Unicode
- U+222A
About this symbol
The union of two sets, A ∪ B, is everything in either of them. Giuseppe Peano introduced the signs for union and intersection, ∪ and ∩, in 1888.
Unicode facts
- Official name
- UNION
- Also called
- Cup
- Type
- Maths symbol
- Unicode block
- Mathematical Operators
- Unicode group
- Logical and set operators
- Added in
- Unicode 1.1 (1993)
Click the symbol or any value at the top of the page to copy it. See the full Math Symbols chart for related characters.