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)

Question

Quizplus · Accepted Answer

C ≡ (D ⊃ N) correctly represents the statement "Carnival advertises its parties if and only if Disney's promoting family cruises implies that Norwegian improves its entertainment," where C represents Carnival advertising its parties, D represents Disney promoting family cruises, and N represents Norwegian improving its entertainment. The "if and only if" is represented by ≡, and "implies" is represented by ⊃.

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