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Full Idea
An 'individual essence' is a property that in addition to being essential is also unique to the object, in the sense that it is not possible that something distinct from that object possesses that property.
Gist of Idea
An 'individual essence' is possessed uniquely by a particular object
Source
Adolph Rami (Essential vs Accidental Properties [2008], §5)
Book Ref
'Stanford Online Encyclopaedia of Philosophy', ed/tr. Stanford University [plato.stanford.edu], p.10
A Reaction
She cites a 'haecceity' (or mere bare identity) as a trivial example of an individual essence.
10938 | The extremes of essentialism are that all properties are essential, or only very trivial ones [Rami] |
10934 | Unlosable properties are not the same as essential properties [Rami] |
10933 | Physical possibility is part of metaphysical possibility which is part of logical possibility [Rami] |
10932 | If it is possible 'for all I know' then it is 'epistemically possible' [Rami] |
10939 | 'Sortal essentialism' says being a particular kind is what is essential [Rami] |
10940 | An 'individual essence' is possessed uniquely by a particular object [Rami] |