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Full Idea
If an object has a certain property essentially, then it follows that the object has the property necessarily (if it exists).
Gist of Idea
If an object exists, then its essential properties are necessary
Source
Kathrin Koslicki (Essence, Necessity and Explanation [2012], 13.2)
Book Ref
'Contemporary Aristotelian Metaphysics', ed/tr. Tahko,Tuomas [CUP 2012], p.190
A Reaction
She is citing Fine, who says that the converse (necessity implying essence) is false. I agree with that. I also willing to challenge the first bit. I suspect an object can retain identity and lose essence. Coma patient; broken clock; aged athlete.
15110 | An essence and what merely follow from it are distinct [Koslicki] |
15111 | In demonstration, the explanatory order must mirror the causal order of the phenomena [Koslicki] |
15112 | If an object exists, then its essential properties are necessary [Koslicki] |
15115 | In a demonstration the middle term explains, by being part of the definition [Koslicki] |
15113 | Individuals are perceived, but demonstration and definition require universals [Koslicki] |
15118 | A successful Aristotelian 'definition' is what sciences produces after an investigation [Koslicki] |
15116 | Essences cause necessary features, and definitions describe those necessary features [Koslicki] |
15114 | Discovering the Aristotelian essence of thunder will tell us why thunder occurs [Koslicki] |
15117 | Greek uses the same word for 'cause' and 'explanation' [Koslicki] |