1 (J ≡ K) $\lor$ L
2 K ≡ L
3

question 287

Multiple Choice

1. (J ≡ K) $\lor$ L
2. K ≡ L
3. ∼L
-Which of the following propositions is derivable from the given premises using any of the twenty-five rules of PL?

• A) J
• B) K
• C) L
• D) ∼(J \( \lor \) K)
• E) ∼(J \( \lor \) ∼L)

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