1 ∼G • (∼H • ∼I)
2 $\lor$ H) $\lor$

Multiple Choice

1. ∼G • (∼H • ∼I)
2. (J $\lor$ H) $\lor$ K
3. J ⊃ L
4. K ⊃ M
-Which of the following propositions is an immediate (one-step) consequence in PL of the given premises?

A) J $\lor$ H
B) J $\lor$ K
C) ∼[G • (H • I) ]
D) G $\lor$ (H $\lor$ I)
E) (∼H • ∼I) • ∼G