The universal relation A x A on A is
A. | an equivalence relation |
B. | anti-symmetric |
C. | a partial ordering relation |
D. | not symmetric and not anti-symmetric |
Option: A Explanation : Click on Discuss to view users comments. |
Total number of diferent partitions of a set having four elements is
A. | 16 |
B. | 8 |
C. | 15 |
D. | 4 |
Option: C Explanation : Click on Discuss to view users comments. |
A partition of {1, 2, 3, 4, 5} is the family
A. | ((1, 2),(3, 4),(3, 5)) |
B. | (φ(1, 2),(3, 4),(5)) |
C. | {(1, 2, 3),(5)} |
D. | {(1, 2,), (3, 4, 5)} |
Option: D Explanation : Click on Discuss to view users comments. |