MCQOPTIONS
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| 1. |
How do you represent “ All dogs have tails”? |
| A. | ۷x: dog(x) àhastail(x) |
| B. | ۷x: dog(x) àhastail(y) |
| C. | ۷x: dog(y) àhastail(x) |
| D. | ۷x: dog(x) àhasàtail(x) |
| Answer» B. ۷x: dog(x) àhastail(y) | |