Combining Texts

All the ideas for 'On Duties ('De Officiis')', 'Gentzen's Analysis of First-Order Proofs' and 'The Logical Structure of the World (Aufbau)'

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

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8 ideas

1. Philosophy / A. Wisdom / 1. Nature of Wisdom

21405

Cicero sees wisdom in terms of knowledge, but earlier Stoics saw it as moral [Cicero, by Long]

1. Philosophy / A. Wisdom / 2. Wise People

20871

Unfortunately we choose a way of life before we are old enough to think clearly [Cicero]

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]

14. Science / B. Scientific Theories / 1. Scientific Theory

18699

Carnap tried to define all scientific predicates in terms of primitive relations, using type theory [Carnap, by Button]

18. Thought / D. Concepts / 4. Structure of Concepts / g. Conceptual atomism

12131

All concepts can be derived from a few basics, making possible one science of everything [Carnap, by Brody]

23. Ethics / D. Deontological Ethics / 3. Universalisability

6031	The essence of propriety is consistency [Cicero]