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Semigroup vs Monoid - What's the difference?

semigroup | monoid | Hyponyms |

Monoid is a hypernym of semigroup.

Monoid is a hyponym of semigroup.



In mathematics terms the difference between semigroup and monoid

is that semigroup is any set for which there is a binary operation that is both closed and associative while monoid is a set which is closed under an associative binary operation, and which contains an element which is an identity for the operation.

semigroup

English

Noun

(wikipedia semigroup) (en noun)
  • (mathematics) Any set for which there is a binary operation that is both closed and associative.
  • * 1961 , Alfred Hoblitzelle Clifford, ?G. B. Preston, The Algebraic Theory of Semigroups (page 70)
  • If a semigroup S'' contains a zeroid, then every left zeroid is also a right zeroid, and vice versa, and the set ''K'' of all the zeroids of ''S'' is the kernel of ''S .

    Hyponyms

    * monoid * group

    monoid

    English

    Noun

    (en noun)
  • (mathematics) A set which is closed under an associative binary operation, and which contains an element which is an identity for the operation.
  • Hypernyms

    * semigroup

    Hyponyms

    * group

    See also

    * * category * groupoid * loop * magma * quasigroup * submonoid

    Anagrams

    * (l) ---- ==Serbo-Croatian==

    Noun