交集 Intersection (set theory)
（重定向自Empty intersection）
数学上，两个集合A和B的交集是含有所有既属于A又属于B的元素，而没有其他元素的集合。
Empty intersection
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Intersection (set theory) 交集
（重定向自Empty intersection）
In mathematics, the intersection A ∩ B of two sets A and B is the set that contains all elements of A that also belong to B (or equivalently, all elements of B that also belong to A), but no other elements.
For explanation of the symbols used in this article, refer to the table of mathematical symbols.
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