Combining Texts

Ideas for 'Monadology', 'Significance of the Kripkean Nec A Posteriori' and 'Natural Kinds and Biological Realism'

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3 ideas

9. Objects / B. Unity of Objects / 2. Substance / e. Substance critique

7931	If a substance is just a thing that has properties, it seems to be a characterless non-entity [Leibniz, by Macdonald,C]

9. Objects / D. Essence of Objects / 7. Essence and Necessity / a. Essence as necessary properties

13969

Kripkean essential properties and relations are necessary, in all genuinely possible worlds [Soames]

9. Objects / F. Identity among Objects / 7. Indiscernible Objects

17554

There must be some internal difference between any two beings in nature [Leibniz]