1 (A ⊃ B) • (C ⊃ D)
2 $\lor$

question 144

Multiple Choice

1. (A ⊃ B) • (C ⊃ D)
2. E ⊃ A
3. ∼F $\lor$ E
4. ∼∼F
-Which of the following propositions is an immediate (one-step) consequence in PL of the given premises?

• A) A
• B) B
• C) ∼E
• D) B ⊃ A
• E) E