- sub- + semigroup (Wiktionary)
“The semigroup of all nonempty words over a given alphabet has as a subsemigroup the words of even length; however the words of odd length do not form a subsemigroup because the concatenation of two odd-length words is not of odd length.”
“A monoid H is a submonoid of a monoid G when it is a subsemigroup of G that includes the identity of G. 2.2 Groups”
‘subsemigroup’ hasn't been added to any lists yet.
Looking for tweets for subsemigroup.