Given the Following Premises

question 71

Multiple Choice

Given the following premises:
1) N ≡ R
2) (N • ∼R) ⊃ C
3) N

• A)(N ⊃ R) ∨ (R ⊃ N) 1, Equiv
• B)N • (∼R ⊃ C) 2, Assoc
• C)C ⊃ (N • ∼R) 2, Com
• D)N ⊃ (∼R ⊃ C) 2, Exp
• E)R 1, 3, MP

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