Combining Texts

All the ideas for 'Philosophical Essay on Probability', 'Letters to Wolff' and 'The Logical Syntax of Language'

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5 ideas

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

13342

Carnap defined consequence by contradiction, but this is unintuitive and changes with substitution [Tarski on Carnap]

5. Theory of Logic / C. Ontology of Logic / 4. Logic by Convention

13251

Each person is free to build their own logic, just by specifying a syntax [Carnap]

9. Objects / D. Essence of Objects / 9. Essence and Properties

13191

The properties of a thing flow from its essence [Leibniz]

13. Knowledge Criteria / C. External Justification / 7. Testimony

7458	The reliability of witnesses depends on whether they benefit from their observations [Laplace, by Hacking]

16. Persons / F. Free Will / 6. Determinism / a. Determinism

3441	If a supreme intellect knew all atoms and movements, it could know all of the past and the future [Laplace]