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Consider a predicate logic language with constant symbols a and b, and predicate symbols P and Q. Which of the following formulas in this language

Consider a predicate logic language with constant symbols a and b, and predicate symbols P and Q. Which of the following formulas in this language are satisfiable?

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P(a,b) -P(a,b) VxVy(P(x,y) Q(, y)) 3x(P(x, a) A VaVy(-P(x, y))) P(a,b) -P(a,b) VxVy(P(x,y) Q(, y)) 3x(P(x, a) A VaVy(-P(x, y)))

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