semigroup

As a noun semigroup

is (mathematics) any set for which there is a binary operation that is both closed and associative.

As an abbreviation gr is

grain, a unit of mass.

As nouns the difference between groupoid and semigroup

is that groupoid is a magma: a set with a total binary operation while semigroup is any set for which there is a binary operation that is both closed and associative.

In mathematics|lang=en terms the difference between semigroup and semigroud

is that semigroup is (mathematics) any set for which there is a binary operation that is both closed and associative while semigroud is (mathematics) semiheap.

As nouns the difference between semigroup and semigroud

is that semigroup is (mathematics) any set for which there is a binary operation that is both closed and associative while semigroud is (mathematics) semiheap.

As a verb fora

is .

As a noun semigroup is

(mathematics) any set for which there is a binary operation that is both closed and associative.

As nouns the difference between taxonomy and semigroup

is that taxonomy is the science or the technique used to make a classification while semigroup is (mathematics) any set for which there is a binary operation that is both closed and associative.

As nouns the difference between semigroup and commutant

is that semigroup is any set for which there is a binary operation that is both closed and associative while commutant is the subset of all elements of a semigroup that commute with the elements of a given subset.