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Given the Following Premises

Question 10

Multiple Choice

Given the following premises:
1) ∼U ⊃ (S • K)
2) R ⊃ (∼U • ∼U)
3) S ≡ ∼U

A) (∼U • S) ⊃ K 1, Exp
B) R ⊃ U 2, DN
C) R ⊃ ∼U 2, Taut
D) R ⊃ (S • K) 1, 2, HS
E) (S ⊃ U) • (∼U ⊃ ∼S) 3, Equiv

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