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Full Idea
Essentialism, as I shall understand it, is the doctrine that among the attributes of a thing some are essential, others merely accidental. Its essential attributes are those it has necessarily, those it could not have lacked.
Gist of Idea
Essentialism says some of a thing's properties are necessary, and could not be absent
Source
Richard Cartwright (Some Remarks on Essentialism [1968], p.149)
Book Ref
Cartwright,Richard: 'Philosophical Essays' [MIT 1987], p.149
A Reaction
The problem with this, which Cartwright does not address, is that trivial and gerrymandered properties (such as having self-identity, or being 'such that 2+2=4') seem to be necessarily, but don't seem to constitute the essence of a thing.
13952 | Essentialism says some of a thing's properties are necessary, and could not be absent [Cartwright,R] |
13953 | An act of ostension doesn't seem to need a 'sort' of thing, even of a very broad kind [Cartwright,R] |
13954 | The difficulty in essentialism is deciding the grounds for rating an attribute as essential [Cartwright,R] |
13955 | Essentialism is said to be unintelligible, because relative, if necessary truths are all analytic [Cartwright,R] |