Sets is a material of Senior High School grade VII semester2. I had made this material some month ago, now I want to share it for everyone if you need to know about this material.
I convert it become pdf. I can't write it here directly because some of this writing consist of math equation.
Here, some previews:
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SETS
I. UNDERSTANDING SETS
A set is a collection of objects which can be clearly defined.
Example:
- A group of the color of traffic light.
- A herd of reptile animals.
- A group of humans who born in October.
Look at the following groups which are not considered as a set:
- A group of handsome boys in my class
- A group of cheap cloths in the market.
II. SYMBOL AND MEMBERSHIP OF A SET
A set is usually denoted by a capital letter such as A, B, C, …, Z. The objects
which are included in a set may be expressed using brackets.
Example:
1. A set of natural numbers which are less than 5.
K = {1,2,3,4}
2. A set of basic color.
G = {red, yellow, green}
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Credit me, please. Thanks. Gomawo ^_^
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