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1. (∀X)(∃y)Axy ⊃ (∀X)(∃y)Bxy

Question 292

Multiple Choice

1. (∀x) (∃y) Axy ⊃ (∀x) (∃y) Bxy
2. (∃x) (∀y) ∼Bxy
-Which of the following propositions is an immediate (one-step) consequence in F of the given premises?


A) (∃y) Axy ⊃ (∀x) (∃y) Bxy
B) ~Bxy
C) (∃x) ∼(∃y) Bxy
D) (∀x) (∃y) Bxy
E) (∀y) ~Byy

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