1 Q ⊃ ∼(R $\lor$ S)
2 ∼R ⊃ T
3

question 67

Multiple Choice

1. Q ⊃ ∼(R $\lor$ S)
2. ∼R ⊃ T
3. U ⊃ S
-Consider assuming 'Q' for conditional proof. Which of the following propositions is an immediate (one-step) consequence in PL of the given premises with that further assumption for conditional proof?

• A) U \( \lor \) S
• B) T ⊃ ∼R
• C) ∼(R \( \lor \) S)
• D) ∼R • ∼S
• E) T

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