Which of the given formulas of PL is the best symbolization of the following sentence?
A married couple can report their combined income and deduct their combined allowable expenses on one return provided that only one had income or they did not live together all year.
(A)(R • D) ⊃ (I ∨ ~L) (B)(I ∨ ~L) ⊃ (R • D) (C)R • [(I ⊃ D) ∨ ~L] (D)~(I ∨ L) ⊃ (R • D)
B