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Single Idea 11196

[filed under theme 9. Objects / D. Essence of Objects / 5. Essence as Kind ]

Full Idea

Since being as belonging to a category expresses the 'isness' of things, and belongs to all ten Aristotelian categories, essence must be something all the natures that sort different beings into genera and species have in common.

Gist of Idea

Essence is something in common between the natures which sort things into categories

Source

Thomas Aquinas (De Ente et Essentia (Being and Essence) [1267], p.92)

Book Ref

Aquinas,Thomas: 'Selected Philosophical Writings', ed/tr. McDermott,Timothy [OUP 1993], p.92


A Reaction

I like this because it is the essence which does the sorting, not the sorting which defines the essence (which seems to me to be a deep and widespread confusion).


The 27 ideas with the same theme [essence as belonging to a particular natural kind]:

The Aristotelian view is that the essential properties are those that sort an object [Aristotle, by Marcus (Barcan)]
Essence is something in common between the natures which sort things into categories [Aquinas]
Only natural kinds and their members have real essences [Suárez, by Cover/O'Leary-Hawthorne]
Particulars contain universal things [Hobbes]
The less rational view of essences is that they are moulds for kinds of natural thing [Locke]
Even real essence depends on a sort, since it is sorts which have the properties [Locke]
If every sort has its real essence, one horse, being many sorts, will have many essences [Locke]
The sense of anything contingent has a purely apprehensible essence or Eidos [Husserl]
Essence is expressed by grammar [Wittgenstein]
Putnam bases essences on 'same kind', but same kinds may not share properties [Mackie,P on Putnam]
A real essence is a kind's distinctive properties [Ellis]
Atomic number 79 is part of the nature of the gold we know [Kripke]
Sortals basically apply to individuals [Ayers]
Kind essences are the categorical bases of a thing's causal powers [Bhaskar, by Chakravartty]
A sortal essence is a property which once possessed always possessed [Brody, by Mackie,P]
Maybe essential properties are those which determine a natural kind? [Brody]
Natural kinds are well suited to be the sortals which fix substances [Wiggins]
Essential properties depend on a category, and perhaps also on particular facts [Forbes,G]
Essentialism says categories have a true hidden nature which gives an object its identity [Gelman]
Sortals are needed for determining essence - the thing must be categorised first [Gelman]
Kind (unlike individual) essentialism assumes preexisting natural categories [Gelman]
Objects have their essential properties because of the kind of objects they are [Simons]
Essential kinds may be too specific to provide ontological categories [Westerhoff]
Unlike Hesperus=Phosophorus, water=H2O needs further premisses before it is necessary [Mackie,P]
Why are any sortals essential, and why are only some of them essential? [Mackie,P]
A kind essence is the necessary and sufficient properties for membership of a class [Chakravartty]
'Sortal essentialism' says being a particular kind is what is essential [Rami]