1 (∀X)[(Px $\lor$ Qx) ⊃ (Rx • ∼Sx)]
2 $\lor$

question 48

Multiple Choice

1. (∀x) [(Px $\lor$ Qx) ⊃ (Rx • ∼Sx) ]
2. (∀x) [Rx ⊃ (Tx ⊃ ∼Sx) ]
-Consider assuming 'Px' for conditional proof. Which of the following propositions is an immediate (one-step) consequence in M of the given premises with that further assumption for conditional proof?

• A) Ra ⊃ (Tb ⊃ ∼Sc)
• B) (∀x)Px
• C) Px \( \lor \) Qx
• D) Tx ⊃ ∼Sx
• E) Rx • ∼Sx

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