部ぶ分ぶん集しゅう合ごうぶぶんしゅうごうMeanings1nounsubsetmathematics›Mathematical term for a set whose elements are all contained within another set.一ひとつの集しゅう合ごうが別べつの集しゅう合ごうに含ふくまれるとき、それを部ぶ分ぶん集しゅう合ごうという。When one set is contained in another, it is called a subset.空くう集しゅう合ごうは任にん意いの集しゅう合ごうの部ぶ分ぶん集しゅう合ごうである。The empty set is a subset of any set.
