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All students should type a natural deduction proof for exercises in Chapter 7.1, III, # 9 and 10. Construct the proof in the standard format presented in Chapter 7.1. Include the premises, number each sequence of the proof, provide full justifications w
All students should type a natural deduction proof for exercises in Chapter 7.1, III, # 9 and 10. Construct the proof in the standard format presented in Chapter 7.1. Include the premises, number each sequence of the proof, provide full justifications with rule of implication/inference abbreviations and sequence/line