1. G ⊃ H
2. G ⊃ I
-Which of the following propositions is derivable from the given premises using any of the twenty-five rules of PL and either the direct or conditional methods of proof?

Question

Quizplus · Accepted Answer

From the given premises, we can use the conjunction rule to derive G ⊃ (H • I). However, we cannot derive G ≡ H or G ≡ (H • I) as these require additional information about the relationship between H and I, which is not provided in the premises.