1. (∃x) ∼Ix ⊃ (∀x) (Jx Kx)
2. ∼(∀x) Ix • ∼Jb
-Which of the following propositions is an immediate (one-step) consequence in M of the given premises?
A) (∃x) ∼Ix
B) ∼(∀x) (Jx Kx) ⊃ ∼(∃x) ∼Ix
C) ∼(∃x) Ix ⊃ (∀x) (Jx Kx)
D) ∼(∃x) ∼Ix • ∼Jb
E) (∃x) ∼Ix ⊃ ∼(∃x) (Jx Kx)
Correct Answer:
Verified
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