Discrete Mathmatics

28. Use rules of inference to show that if Vx(P(x) v Q(x)) and yx((7P(x) Λ Q(x))-> R(x)) are true, then Vy (﹁R(x) → P (x)) is
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Discrete Mathmatics

28. Use rules of inference to show that if Vx(P(x) v Q(x)) and yx((7P(x) Λ Q(x))-> R(x)) are true, then Vy (﹁R(x) → P (x)) is
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