Semigroup - Mathematics & Logic - Pure Mathematics Dictionary Definition A set equipped with an associative binary operation but not necessarily possessing an identity element or inverses. Semigroup - Pure Mathematics - Algebra Dictionary Definition A set equipped with an associative binary operation; a semigroup need not have an identity element or inverses for its elements.
Semigroup - Mathematics & Logic - Pure Mathematics Dictionary Definition A set equipped with an associative binary operation but not necessarily possessing an identity element or inverses.
Semigroup - Pure Mathematics - Algebra Dictionary Definition A set equipped with an associative binary operation; a semigroup need not have an identity element or inverses for its elements.