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Multiple choice

A binary operation makes a set G a group only if it satisfies four axioms. Which set of four properties are the group axioms?

Associativity, commutativity, distributivity, and inverses
Closure, commutativity, an identity element, and a zero divisor
Closure, associativity, an identity element, and inverses for every element
Closure, associativity, a maximum element, and idempotence