Commutativity(redirected from Comutative)
Also found in: Dictionary.
Related to Comutative: Commutative ring, Commutative law, Commutative justice, Commutative contract
a property of the addition and multiplication of numbers expressed by the identities a + b = b + a and ab = ba. In a more general sense, the operation a * b is termed commutative if a * b = b *a. Addition and multiplication of polynomials, for example, have the property of commutativity; vector multiplication (see VECTOR PRODUCT) is not commutative since [a,b] = — [b,a].