Proof

(related to Proposition: Addition of Integers Is Associative)

From an algebraic point of view, the associativity of integer addition follows immediately as a corollary from the fact that the algebraic structure of the set of integers \(\mathbb Z\), together with the binary operation "\( + \)" has been proven to form a group. The binary operation of any group is by definition associative (otherwise it would be not a group).


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