Intersection
Part of Math Symbols
On Windows, hold Alt and type 239 on the numeric keypad to insert intersection.
- Alt code
- Alt+239
- HTML entity
- ∩
- Unicode
- U+2229
About this symbol
The intersection of two sets, A ∩ B, is what they have in common. Giuseppe Peano introduced the signs for intersection and union, ∩ and ∪, in 1888.
Unicode facts
- Official name
- INTERSECTION
- Also called
- Cap, hat
- 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.