10/30%20%20%20Sets%20and%20counting

1
10/30 Sets and counting A set is a
well-defined collection of objects A x x is
an even positive integer less than 20
There are many times when we define a set and
want to Count the elements of the set.
2
The cardinal of a set. A set is finite if
A set is countably infinite if
3
Example of an uncountable set.
4
Operations with sets union, intersection,
difference. N(A union B)
5
Basic algebra of sets
6
Universal set. The complement operator
7

Cartesian product of sets.
8
(No Transcript)