Combining Texts

All the ideas for 'Mind and Its Place in Nature', 'De Cive' and 'The Logical Syntax of Language'

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

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4 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]

12. Knowledge Sources / B. Perception / 6. Inference in Perception

7628	Broad rejects the inferential component of the representative theory [Broad, by Maund]

25. Social Practice / E. Policies / 1. War / c. Combatants

23609

I act justly if I follow my Prince in an apparently unjust war, and refusing to fight would be injustice [Hobbes]