1 (J ≡ K) $\lor$ L
2 K ≡ L
3

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)