Note:
1.1 introduction to set
1. Students need to be familiar with various symbol
2. What is the difference between finite set and infinite set?
How to represent each of them?
Finite set:
3. Set builder notation</p>
4. Empty or Null set</p>
5. Equal sets</p>
6. Subsets</p>
7. Universal set</p>
8. Complement of a set
9. Venn diagram
10. Intersection of set
11. Union of set
