Combining Texts

All the ideas for 'Science and Method', 'Laudatio: Prof Ruth Barcan Marcus' and 'On Sufficient Reason'

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4 ideas

2. Reason / B. Laws of Thought / 1. Laws of Thought

19404

Necessities rest on contradiction, and contingencies on sufficient reason [Leibniz]

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

15130

If a property is possible, there is something which can have it [Williamson]

6. Mathematics / A. Nature of Mathematics / 2. Geometry

10245

One geometry cannot be more true than another [Poincaré]

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / c. Essence and laws

19403

Each of the infinite possible worlds has its own laws, and the individuals contain those laws [Leibniz]