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1 Ha • Ia
2 ∨ \lor Jb

Question 258

Multiple Choice

1. Ha • Ia
2. (∀x) [(Hx • Ix) ⊃ x=a]
3. Hb • Jb
4. (∀x) [(Hx • Jx) ⊃ x=b]
5. Ka • ∼Kb
-Which of the following propositions is an immediate (one-step) consequence in F of the given premises?


A) (Ha • Jb) ⊃ a=b
B) (Ha • Ib) ⊃ b=a
C) Jb • Ia
D) Ka
E) Ia ∨ \lor Jb

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