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. (Q ꓦ ~ R) ꓦ S
2. ~ Q ꓦ (R ⊃ ~ Q)
∴ R ⊃ S
3. (~ Q ꓦ R) ⋅ (~ Q ꓦ ~ Q)
4. (~ Q ꓦ ~ Q) ⋅ (~ Q ꓦ R)
5. ~ Q ꓦ ~ Q
6. ~ Q
7. Q ꓦ (~ R ꓦ S)
8. ~ R ꓦ S
9. R ⊃ S

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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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For the first proof 3 Distributive property of over 4 Identity p...View the full answer

Introduction To Logic

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