“Union”的概念、定义、习题解题方法及翻译-数学辞典

单词

Union

释义

Union

The union of two sets and is the set obtained by combining the members of each. This is written , andis pronounced `` union '' or `` cup .'' The union of sets through is written .

Let , , , ... be sets, and let denote the probability of . Then

(1)

Similarly,








	(2)

and

are Disjoint, by definition

, so

(3)

Continuing, for a set of

disjoint elements

, ...,

(4)

which is the Countable Additivity Probability Axiom. Now let

(5)

then

(6)

See also Intersection, Or

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