Let L be the first-order language with a single predicate S(p, q), meaning p shaves q. Assume
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Let L be the first-order language with a single predicate S(p, q), meaning “p shaves q.” Assume a domain of people.
a. Consider the sentence “There exists a person P who shaves every one who does not shave themselves, and only people that do not shave themselves.” Express this in L.
b. Convert the sentence in (a) to clausal form.
c. Construct a resolution proof to show that the clauses in (b) are inherently inconsistent.
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a p q Sp q Sq q b There are two clauses corresponding to the tw...View the full answer
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Artificial Intelligence A Modern Approach
ISBN: 978-0136042594
3rd edition
Authors: Stuart Russell, Peter Norvig
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