[P ۷ (P ۸ Q)] → R

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By the definition of conditional statements on page 6, using the Commutativity Law, the hypothesis is equivalent to (q ∨ ¬p) ∨ (¬p ∨ r). ... This means that the conditional from the second-to-last column the last column is always true (T).

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Question ID: mtid-5-stid-8-sqid-2589-qpid-1059