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Commutativity is the ability to change the order of something without changing the end result.

A binary operation ∗ on a set S is commutative if:

A binary function f:A×A → B is commutative if:

List of commutative operations[]

Addition ;

If you want proof, then go to https://youtu.be/EIBeXA_VsgA?si=FptsyGL_yw5txlHc

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