Math 152-A Sect. 1.1

Sets of Number

Definitions & Notations

Set

Element

Element Notation

Infinite

Finite

Set-builder Notation

Empty Set or ______________

Equal Sets

Subset

Union

Intersection

Special Sets

Name	Description	Examples
Natural Numbers
Whole Numbers
Integers
Rational Numbers
Irrational Numbers
Real Numbers

For next class

Research in section 1.3 of your book. When you come to class be able to:

1. Give a definition in your own words (so that it explains the meaning of the word to another student).

2. Give three numbers that are examples of your property.

1. Commutative Property

2. Associative Property

3. Identity Property

4. Inverse Property

5. Distributive Property