1 P $\lor$ (Q ⊃ R)
2

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

A) Q ⊃ R
B) ∼(Q ⊃ R)
C) Q ⊃ S
D) Q ⊃ T
E) Q ⊃ (S • T)