Combining Texts

Ideas for 'fragments/reports', 'On the Plurality of Worlds' and 'On boundary numbers and domains of sets'

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9. Objects / D. Essence of Objects / 7. Essence and Necessity / a. Essence as necessary properties
13793 An essential property is one possessed by all counterparts [Lewis, by Elder]
     Full Idea: For Lewis, if a property possessed by a given individual or kind is missing in some of the contextually relevant counterparts, that property is accidental to the individual or kind; if it is possessed by all of them, that property is essential.
     From: report of David Lewis (On the Plurality of Worlds [1986], 248-263) by Crawford L. Elder - Real Natures and Familiar Objects 1.4
     A reaction: This is a sophisticated version of the idea that essential properties are just necessary properties. It might make sense with a very sparse view of properties (mainly causal ones), but I think of essences as quite different from necessities.