noun
- the property of an operation in which the order of the operands does not affect the result
Usage: mathematics; formal
Examples
- Addition demonstrates commutativity: 3 + 5 equals 5 + 3.
- The commutativity of multiplication is taught in elementary mathematics.
- In algebra, commutativity is a fundamental property of real numbers.
- Subtraction does not have commutativity because 10 − 3 does not equal 3 − 10.
- Matrix multiplication lacks commutativity in general.