1. (P ⊃ Q) ⊃ R
2. ∼(S ⊃ R)
-Which of the following propositions is an immediate (one-step) consequence in PL of the given premises?
A) P ⊃ (Q ⊃ R)
B) P • (Q ⊃ R)
C) ∼(R ⊃ S)
D) ∼(S R)
E) ∼(∼S R)
Correct Answer:
Verified
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