Carnival Advertises Its Parties If and Only If Disney's Promoting

question 71

Multiple Choice

Carnival advertises its parties if and only if Disney's promoting family cruises implies that Norwegian improves its entertainment.

• A) (C ≡ D) ⊃ N
• B) (C ⊃ D) • (N ⊃ C)
• C) C ≡ (D ⊃ N)
• D) C ⊃ (D ≡ N)
• E) C ≡ (N ⊃ D)

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