1. ∼A ≡ B

question 43

Multiple Choice

1. ∼A ≡ B
2. A • ∼C
-Which of the following propositions is an immediate (one-step) consequence in PL of the given premises?

• A) ∼(A ≡ B)
• B) B ≡ ∼A
• C) ∼∼A ≡ ∼B
• D) Options A, B, and C
• E) Options A and B, but not option C

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