Multiple Choice
American's hiring pilots is a sufficient condition for both Delta's advertising a sale and Southwest's expanding routes.
A) (D • S) ∨ A
B) (D ⊃ A) • (S ⊃ A)
C) (D • S) ⊃ A
D) A ⊃ (D • S)
E) A ≡ (D • S)
Correct Answer:

Verified
Correct Answer:
Verified
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