Worksheet on Operation/8
Worksheet on Operation/7
Worksheet on Operation/6
Worksheet on Operation/5
Worksheet on Operation/4
Worksheet on Operation/3
Worksheet on Operation/2
Worksheet on Operation/1
Worksheet on Finite and Infinite Sets/3
Worksheet on Finite and Infinite Sets/2
 and is called the cardinality of the set. A set that is not finite is called infinite. For example, the set of all positive integers is infinite: { 1 , 2 , 3 , )
 and is called the cardinality of the set. A set that is not finite is called infinite. For example, the set of all positive integers is infinite: { 1 , 2 , 3 , )