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2.2 Ad d ition and Subtraction of Whole Numbers

2.2 Ad d ition and Subtraction of Whole Numbers. Set Operations. Set Operations. The union of two sets A and B is the set containing every element belonging to set A or set B and is written A  B.

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2.2 Ad d ition and Subtraction of Whole Numbers

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  1. 2.2 Addition and Subtraction of Whole Numbers Set Operations

  2. Set Operations • The union of two sets A and B is the set containing every element belonging to set A or set B and is written A  B. • The intersection of two sets A and B is the set containing every element belonging to both set A and set B and is written A  B.

  3. Set Operations • Two sets are said to be disjoint iff their intersection is the empty set. • A and B are disjoint iff A  B = . • Venn Diagrams

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