Resolution can produce non-constructive proofs for queries with variables, so we had to introduce special mechanisms to extract definite answers. Explain why this issue does not arise with knowledge bases containing only definite clauses.
Answer to relevant QuestionsWe said in this chapter that resolution cannot be used to generate all logical consequences of a set of sentences. Can any algorithm do this?Represent the following seven sentences using and extending the representations developed in the chapter:a. Water is a liquid between 0 and 100 degrees.b. Water boils at 100 degrees.c The water in John’s water bottle is ...Define the predicates Before, After, during, and Overlap, using the predicate Meet and the functions Start and End, hut not the function Time or the predicate You are to create a system for advising computer science undergraduates on what courses to take over an extended period in order to satisfy the program requirements. (Use whatever requirements are appropriate for your ...Explain why dropping negative effects from every action schema in a STRIPS problem results in a relaxed problem.
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