Set Theoretic Operations
Concept: Union
The union of two sets A and B forms a new set, denoted by A
B, which
contains all the elements which are members of A or members of B, or members
of both A and B.
Graphic Representation
The area shaded in orange represents
A B.
Note: U represents the universal set, or universe.
Example
If A = {1,2,3,4} and B = {3,4,5,6}, then A
B = {1,2,3,4,5,6}. C = {1,3,5,7,8}.
Note: The union operation can be performed on more than just two sets.
The area shaded in orange represents
A B
C.
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