MCQOPTIONS
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| 1. |
Let A = {1, 2, .....3 } Define ~ by x ~ y ⇔ x divides y. Then ~ is |
| A. | symmetric |
| B. | an equivalence relation |
| C. | a partial-ordering relation |
| D. | relexive, but not a partial-ordering |
| Answer» D. relexive, but not a partial-ordering | |