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In mathematics, a binary operation is commutative if changing the order of the operands does not change the result. It is a fundamental property of many binary operations, and many mathematical proofs depend on it. Perhaps most familiar as a property of arithmetic, e.g. 1="3 + 4 = 4 + 3" or 1="2 × 5 = 5 × 2", the property can also be used in more advanced settings. The name is needed

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