Each of the following exercises presents a flawless formal proof of validity for the indicated argument. For

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Each of the following exercises presents a flawless formal proof of validity for the indicated argument. For each proof, state the justification for each inferred statement (i.e., each statement that is not a premise).

1. I ⊃ J
2. J ⊃ K
3. L ⊃ M
4. I ꓦ L
∴ K ꓦ M
5. I ⊃ K
6. (I ⊃ K) ⋅ (L ⊃ M)
7. K ꓦ M

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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 11, 2023 05:42 AM

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Each of the following exercises presents a flawless formal proof of validity for the indicated argument. For

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Introduction To Logic

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