Combining Texts

All the ideas for 'A Résumé of Metaphysics', 'The Epistemology of Modality' and 'Gentzen's Analysis of First-Order Proofs'

expand these ideas     |    start again     |     specify just one area for these texts

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7 ideas

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

13831

Logic is based on transitions between sentences [Prawitz]

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

13825

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

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

13823

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

10. Modality / D. Knowledge of Modality / 4. Conceivable as Possible / a. Conceivable as possible

19440

How do you know you have conceived a thing deeply enough to assess its possibility? [Vaidya]

22. Metaethics / C. The Good / 3. Pleasure / a. Nature of pleasure

5049	Intelligent pleasure is the perception of beauty, order and perfection [Leibniz]

28. God / A. Divine Nature / 3. Divine Perfections

5048	Perfection is simply quantity of reality [Leibniz]

29. Religion / D. Religious Issues / 3. Problem of Evil / b. Human Evil

5050	Evil serves a greater good, and pain is necessary for higher pleasure [Leibniz]