Combining Texts

All the ideas for 'A world of truthmakers?', 'Introduction to 'Language Truth and Logic'' and 'Letters to De Vries'

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9 ideas

3. Truth / B. Truthmakers / 6. Making Negative Truths
15549 If it were true that nothing at all existed, would that have a truthmaker? [Lewis]
9. Objects / D. Essence of Objects / 14. Knowledge of Essences
4869 Experience does not teach us any essences of things [Spinoza]
13. Knowledge Criteria / B. Internal Justification / 4. Foundationalism / c. Empirical foundations
5163 Basic propositions refer to a single experience, are incorrigible, and conclusively verifiable [Ayer]
15. Nature of Minds / A. Nature of Mind / 4. Other Minds / c. Knowing other minds
5167 The argument from analogy fails, so the best account of other minds is behaviouristic [Ayer]
19. Language / A. Nature of Meaning / 5. Meaning as Verification
5164 A statement is meaningful if observation statements can be deduced from it [Ayer]
5165 Directly verifiable statements must entail at least one new observation statement [Ayer]
5166 The principle of verification is not an empirical hypothesis, but a definition [Ayer]
19. Language / D. Propositions / 1. Propositions
5162 Sentences only express propositions if they are meaningful; otherwise they are 'statements' [Ayer]
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / i. Prescriptivism
5168 Moral approval and disapproval concerns classes of actions, rather than particular actions [Ayer]