Combining Texts

All the ideas for 'On Political Reactions', 'The Logical Syntax of Language' and 'The Actual and the Possible'

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

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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]

10. Modality / C. Sources of Modality / 5. Modality from Actuality

12468

A state of affairs is only possible if there has been an actual substance to initiate it [Pruss]

23. Ethics / D. Deontological Ethics / 2. Duty

22439

There are only duties if there are rights, so truth is only for those with a right to it [Constant]

22440

Unconditional truth-telling makes a society impossible [Constant]