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A property of algebraic operations (cf. Algebraic operation). For addition and multiplication, commutativity is expressed by the formulas

A binary operation is commutative (or, what is the same, satisfies the law of commutativity) if in the given algebraic system the identity holds

How to Cite This Entry:
Commutativity. Encyclopedia of Mathematics. URL:
This article was adapted from an original article by D.M. Smirnov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article