Question: 1. Determine whether each argument is valid or invalid. Give reasons for your answers pvq p-q -q (b) 2. Let P(x) denote the statement x

1. Determine whether each argument is valid or invalid. Give reasons

1. Determine whether each argument is valid or invalid. Give reasons for your answers pvq p-q -q (b) 2. Let P(x) denote the statement "x is taking a math course." The do- main of discourse is the set of all students. Write in words the statements. Determine the truth value of Vx(x > 0 x2 s x, The domain of discourse is R. Justify your answer. 3

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