Question: Please provide solutions for the above step by step = 9. a) Show that the following is a tautology {[(p Vq) r)]^(~p)} (q + r)

Please provide solutions for the above step by step
= 9. a) Show that the following is a tautology {[(p Vq) r)]^(~p)} (q + r) b) Show that the following is a tautology {[p = (q vr))]^(~p)} = (p >r)
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