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单词 superset
释义

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superset
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.
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