Combining Texts

All the ideas for 'On Sufficient Reason', 'Identity through Possible Worlds' and 'Set Theory and the Continuum Hypothesis'

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5 ideas

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

19404

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

6. Mathematics / C. Sources of Mathematics / 10. Constructivism / a. Constructivism

14248

We could accept the integers as primitive, then use sets to construct the rest [Cohen]

9. Objects / D. Essence of Objects / 14. Knowledge of Essences

11966

If there are essential properties, how do you find out what they are? [Chisholm]

10. Modality / E. Possible worlds / 3. Transworld Objects / a. Transworld identity

11965

Could possible Adam gradually transform into Noah, and vice versa? [Chisholm]

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]