For each numbered statement that is not a premise in each of the formal proofs that follow,

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For each numbered statement that is not a premise in each of the formal proofs that follow, state the rule of inference that justifies it.

1. T ⋅ (U ꓦ V)

2. T ⊃ [U ⊃ (W ⋅ X)]

3. (T ⋅ V) ⊃ ~ (W ꓦ X)

∴ W ≡ X

4. (T ⋅ U) ⊃ (W ⋅ X)

5. (T ⋅ V) ⊃ (~ W ⋅ ~ X)

6. [(T ⋅ U) ⊃ (W ⋅ X)] ⋅

[(T ⋅ V) ⊃ (~ W ⋅ ~ X)]

7. (T ⋅ U) ꓦ (T ⋅ V)

8. (W ⋅ X) ꓦ (~ W ⋅ ~ X)

9. W ≡ X

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Introduction To Logic

ISBN: 9781138500860

15th Edition

Authors: Irving M. Copi, Carl Cohen, Victor Rodych

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Question Posted: Apr 14, 2023 11:51 PM

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For each numbered statement that is not a premise in each of the formal proofs that follow,

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In the formal proof given the following rules of inference are used Modus Ponens MP If P is ...View the full answer

Introduction To Logic

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