1 N ⊃ ∼O
2 $\lor$ P) $\lor$

Multiple Choice

1. N ⊃ ∼O
2. P ⊃ ∼Q
3. (N $\lor$ P) $\lor$ R
4. ∼R
-Which of the following propositions is an immediate (one-step) consequence in PL of the given premises?

A) N
B) N $\lor$ P
C) (R $\lor$ N) $\lor$ P
D) R $\lor$ (N $\lor$ P)
E) ∼∼R