1 M ≡ ∼N
2 $\lor$ (M • ∼N)
D) ∼M ≡ ∼N
E) N ≡

question 145

Multiple Choice

1. M ≡ ∼N
2. ∼M ⊃ O
3. ∼N ⊃ O
-Which of the following propositions is an immediate (one-step) consequence in PL of the given premises?

• A) (M ⊃ N) • (N ⊃ M)
• B) (M ⊃ ∼N) • (∼N ⊃ M)
• C) (M • N) \( \lor \) (M • ∼N)
• D) ∼M ≡ ∼N
• E) N ≡ ∼M

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Definitions:

Intelligence Tests

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