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Ideas for 'reports', 'Gentzen's Analysis of First-Order Proofs' and 'Molyneux's Question'

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3 ideas

5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic

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Logic is based on transitions between sentences [Prawitz]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives

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Natural deduction introduction rules may represent 'definitions' of logical connectives [Prawitz]

5. Theory of Logic / H. Proof Systems / 4. Natural Deduction

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In natural deduction, inferences are atomic steps involving just one logical constant [Prawitz]