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Question 2. . i. For each of the following predicates, argue whether 1)Va3y.P(x, v), and 2)3yvr.P(x, y) are valid. (a) P(z, y-y-z = 1 where

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Question 2. . i. For each of the following predicates, argue whether 1)Va3y.P(x, v), and 2)3yvr.P(x, y) are valid. (a) P(z, y-y-z = 1 where the domain of discourse is R. (b) P(z,y) = y > x where the dom ain of discourse is R. ii. Consider the following formula: VaVy(((x

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