单词 | superset |
释义 | > as lemmassuperset superset n. Brit. /ˈsuːpəsɛt/ , /ˈsjuːpəsɛt/ , U.S. /ˈsupərˌsɛt/ Mathematics and Logic a set (set n.2 10c) which includes another set or sets; a set of which a given set is a subset, a superordinate set.ΘΚΠ the world > relative properties > number > mathematical number or quantity > numerical arrangement > [noun] > set > in abstract algebra coset1910 superset1917 neighbourhood1934 orbit1939 support1952 the mind > language > linguistics > [noun] > linguistic category or set form-class1905 category1933 superset1970 1917 Bull. Amer. Math. Soc. 24 124 For two sets E1 and E2 we denote by E1 + E2 their least common superset. 1970 Psychonomic Sci. 21 iv. 235/3 There is no predetermined hierarchy of supersets and subsets. 1976 J. S. Gruber Lexical Struct. Syntax & Semantics ii. ii. 278 In this case we cannot allow the derived tree to be a subset of that in the lexical environment. The only alternative is to require that the derived tree be a superset of that in the lexical environment. 2008 J. M. Chambers Software Data Anal. ix. 346 The idea can be related to the concept of subsets and supersets in mathematics. < as lemmas |
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