Each of the following exercises presents a flawless formal proof of validity for the indicated argument. For
Question:
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. (E ꓦ F) ⋅ (G ꓦ H)
2. (E ⊃ G) ⋅ (F ⊃ H)
3. ~ G
∴ H
4. E ꓦ F
5. G ꓦ H
6. H
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Related Book For 
Introduction To Logic
ISBN: 9781138500860
15th Edition
Authors: Irving M. Copi, Carl Cohen, Victor Rodych
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