Question: Are the following arguments valid? Justify your answer with formal proofs or counterexamples (a) (x)(y)Q(x,y)(y)(x)Q(x,y). (b) [P(x)(y)Q(x,y)](y)[P(x)Q(x,y)]

Are the following arguments valid? Justify your answer with formal proofs

Are the following arguments valid? Justify your answer with formal proofs or counterexamples (a) (x)(y)Q(x,y)(y)(x)Q(x,y). (b) [P(x)(y)Q(x,y)](y)[P(x)Q(x,y)]

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