Chapter 1


Section 1.3

Operation with sets

1) Intersection

Notation:



Definition:

We have two sets A and B. The intersection of these sets is the set formed by the common elements, between A and B.

Example:

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2) Union of Sets

Notation:



Definition:

We have two sets A and B. The union of these sets is the set formed by all the elements of A or B.

Examples:

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