Solution

ID: past-exam-of-the-computer-science-course-of-the-university-of-oxford/2015/knowledge-representation-and-reasoning/3/c/iii/solution

Add the ground atom
Together with the three rules above, this is the Datalog with negation knowledge base . There are no supplied divisibility facts and no other year facts. In particular, nothing in this knowledge base asserts or .

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