subset
noun · verbA2Định nghĩa theo từ loại
Danh từ
noun- 1.
(set theory, of a set S) A set A such that every element of A is also an element of S.
The set of integers is a subset of the set of real numbers.
The set #92;lbracea,b#92;rbrace is a both a subset and a proper subset of #92;lbracea,b,c#92;rbrace while the set #92;lbracea,b,c#92;rbrace is a subset of #92;lbracea,b,c#92;rbrace but not a proper subset of #92;lbracea,b,c#92;rbrace.
1963, David B. MacNeil, Modern Mathematics for the Practical Man, David Van Nostrand, Republished as 2013, David B. MacNeil, Fundamentals of Modern Mathematics: A Practical Review, Dover, page 3, In the foregoing example, the set D of the first four letters of the alphabet, was a subset of the set A of all the letters of the alphabet, because A includes all the members of D.
- 2.
A group of things or people, all of which are in a specified larger group.
We asked a subset of the population of the town for their opinion.
Động từ
verb- 1.
(transitive)To take a subset of.
- 2.
(transitive)(transitive, computing, typography) To extract only the portions of (a font) that are needed to display a particular document.
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