Combining Texts

All the ideas for 'Content Preservation', 'Gentzen's Analysis of First-Order Proofs' and 'The Foundations of Empirical Knowledge'

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

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6 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]

11. Knowledge Aims / C. Knowing Reality / 2. Phenomenalism

8824	No one has defended translational phenomenalism since Ayer in 1940 [Ayer, by Kim]

13. Knowledge Criteria / C. External Justification / 1. External Justification

9382	Subjects may be unaware of their epistemic 'entitlements', unlike their 'justifications' [Burge]

26. Natural Theory / C. Causation / 9. General Causation / d. Causal necessity

15251

The attribution of necessity to causation is either primitive animism, or confusion with logical necessity [Ayer]