the branch of pure mathematics that deals with the nature and relations of sets
例句
用作名词 (n.)
Other examples are the law of the excluded middle in logic and the axiom of choice in set theory. 其他的例子包括逻辑的排中律,或是集合论的选择公设。
As the generalizing of the classical mathematic set theory, the fuzzy set can express so many fuzzy concepts in human knowledge. 模糊集理论作为经典集合论的推广,可以用来表示人类知识中大量存在的模糊性概念。