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词汇 Set comprehension
分类 英语词汇 英语翻译词典
释义

Set comprehension

中文百科

集合建构式符号 Set-builder notation

(重定向自Set comprehension)
海什木(Alhazen)的正整数和公式推导。

在数学里,集合建构式符号set-builder notation)是常用于描述集合的一种记号,这种描述集合的方式一般也称为集合抽象化set abstraction)或set comprehension。一般写为\{x:P(x)\}\{x\in S:P(x)\},分别只在于论域的不同,前者的元素恰好是那些符合谓词P的集合,而后者的元素除了符合谓词P,还得是S的元素。

英语百科

Set-builder notation 集合建构式符号

(重定向自Set comprehension)

\{k ~|~ \exists n : (n \in \mathbb{Z} \land k = 2n) \}

The set of all even integers, expressed in set-builder notation.

In set theory and its applications to logic, mathematics, and computer science, set-builder notation is a mathematical notation for describing a set by stating the properties that its members must satisfy. Forming sets in this manner is also known as set comprehension, set abstraction or as defining a set's intension. Although some simply refer to it as set notation, that label may be better reserved for the broader class of means of denoting sets.

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