A monoid is an algebraic structure consisting of a nonempty set and an associative binary operation closed on that set with an identity element for all elements in the set.
A monoid is an algebraic structure consisting of a nonempty set and an associative binary operation closed on that set with an identity element for all elements in the set.
A monoid is an algebraic structure consisting of a nonempty set and an associative binary operation closed on that set with an identity element for all elements in the set.