Combining Philosophers

All the ideas for Jacques Lenfant, Antoine Arnauld and Jaakko Hintikka

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4 ideas

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula

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No one can conceive of a possible substance, apart from those which God has created [Arnauld]

7. Existence / D. Theories of Reality / 11. Ontological Commitment / a. Ontological commitment

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Our commitments are to an 'ontology', but also to an 'ideology', or conceptual system [Hintikka]

8. Modes of Existence / C. Powers and Dispositions / 4. Powers as Essence

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The question is whether force is self-sufficient in bodies, and essential, or dependent on something [Lenfant]

10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / a. Nature of possible worlds

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Commitment to possible worlds is part of our ideology, not part of our ontology [Hintikka]