Groups by definition are associative, and may sometimes by commutative as is the case with abelian groups.
My question is the following: is there an algebraic structure or example where the operation is commutative, but not associative?
Groups by definition are associative, and may sometimes by commutative as is the case with abelian groups.
My question is the following: is there an algebraic structure or example where the operation is commutative, but not associative?