Chapter 1
Section 1.6
Sets Operation - Part II
Disjoint sets
Definition:
When the intersection of two sets A and B is empty, we say that these sets are disjoint .
Notation:
Example:
Difference of Sets
Definition:
The difference between two sets A and B is the set of elements that belong to A but do not belong to B.
Notation:
Example:
A = {1, 2, 4, 5, 7} and B = {1, 3, 4, 5, 8}
Then, A - B = {2, 7}
Complementary Set
Definition:
Notation:
Example:
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