Combining Texts

All the ideas for 'Necessary Existents', 'Explanation in Mathematics' and 'Meditatio de principio individui'

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3 ideas

9. Objects / D. Essence of Objects / 7. Essence and Necessity / b. Essence not necessities

13166

Essences are no use in mathematics, if all mathematical truths are necessary [Mancosu]

19. Language / D. Propositions / 3. Concrete Propositions

19216

Propositions (such as 'that dog is barking') only exist if their items exist [Williamson]

26. Natural Theory / C. Causation / 9. General Causation / d. Causal necessity

12702

Causes can be inferred from perfect knowledge of their effects [Leibniz]