Given the following premises:
1)∼∼N
2)K ⊃ ∼N
3)∼N ∨ (K • S)
A)(∼N ∨ K) • S 3, Assoc
B)K 1, 2, MT
C)N ⊃ ∼K 2, Trans
D)K • S 1, 3, DS
E)(∼N • K) ∨ (∼N • S) 3, Dist

Question

Quizplus · Accepted Answer

Premise 1 states that N is true. Premise 2 states that if K is true, then N is false. Since N is true, K must be false. Premise 3 states that either N is false or both K and S are true. Since N is true, the only way for premise 3 to be true is if both K and S are true. Therefore, K • S is true.

Given the Following Premises