1 X ⊃ (∼Y $\lor$ Z)
2 ∼X ⊃ (Y

question 176

Multiple Choice

1. X ⊃ (∼Y $\lor$ Z)
2. ∼X ⊃ (Y $\lor$ Z)
3. ∼Z
-Consider assuming '∼X' 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) ∼(∼Y \( \lor \) Z)
• B) (∼Y \( \lor \) Z)
• C) (Y \( \lor \) Z)
• D) ∼(Y \( \lor \) Z)
• E) ∼X ≡ ∼Z

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