Difference between revisions of "Commutative property"
Jump to navigation
Jump to search
(this should be inthe propperty page) |
m (Commutative moved to Commutative property: per suggestion) |
(No difference)
| |
Revision as of 01:14, January 18, 2008
In mathematics, the commutative property states that a binary operation <math>*</math> on a set A is said to be commutative if for all <math>x,y</math> in A we have <math>x*y=y*x</math>. An Example of a commutative operation is addition in the real numbers. When a group's operation is commutative, it is said to be abelian.
In laymen's terms, an equation demonstrates commutativity when the constants or variables can be moved around an operation without changing the answer (e.g. 1 + 2 = 2 + 1 or 2 * 3 = 3 * 2). It is as if the numbers are "commuting" from one place to another.