1. Associativity

  2. Commutativity

  3. Existence of Identity

  4. Existence of Inverse

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1 Answers

Option 1 : Associativity

A Semigroup is a set S together with a binary operation ∗ that satisfies the associative

property: For all a,b,c ϵ S, (a∗b) ∗ c = a ∗ (b ∗ c).

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