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Chapter 1: Sets

Types of Sets, Union, and Intersection.

Operations on Sets

Union (A ∪ B)

Elements in A OR B.

A = {1,2}, B = {2,3}
A ∪ B = {1,2,3}

Intersection (A ∩ B)

Elements in BOTH A and B.

A ∩ B = {2}