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1 (∃X)[Hx • (Ix ∨ \lor Jx)]
2 ∨ \lor

Question 78

Multiple Choice

1. (∃x) [Hx • (Ix ∨ \lor Jx) ]
2. (∀x) (Kx ⊃ ∼Ix)
3. (∀x) (Hx ⊃ Kx)
-Which of the following propositions is an immediate (one-step) consequence in M of the given premises?


A) Hc • (Ic ∨ \lor Jc)
B) Ks ⊃ ∼Ix
C) Hx ⊃ Kw
D) Hx • (Ix ∨ \lor Jx)
E) Ha • (Ib ∨ \lor Jc)

Correct Answer:

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