Any propositional logic sentence is logically equivalent to the assertion that each possible world in which it would be false is not the case. From this observation, prove that any sentence can be written in CNF.
Answer to relevant QuestionsMinesweeper, the well-known computer game, is closely related to the wumpus world. A minesweeper world is a rectangular grid of N squares with M invisible mines scattered among them. Any square may be probed by the agent; ...How long does it take to prove KB | = α using DPLL when α is a literal already contained in KB? Explain.Represent the sentence “All Germans speak the same languages” in predicate calculus. Use Speaks (x, 1), meaning that person x speaks language l.Explain what is wrong with the following proposed definition of adjacent squares in the wumpusworld:Suppose we put into a logical database a segment of the U.S. census data listing the age, city of residence, date of birth, and mother of every person, using social security numbers as identifying constants for each person. ...
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