Full Idea
Essentialists fail to show how we ascend from being a property universally possessed, by all kind members, to the status of being an essential property.
Gist of Idea
How can we show that a universally possessed property is an essential property?
Source
Stephen Mumford (Laws in Nature [2004], 07.5)
Book Reference
Mumford,Stephen: 'Laws in Nature' [Routledge 2006], p.117
A Reaction
This is precisely where my proposal comes in - the essential properties, as opposed to the accidentaly universals, are those which explain the nature and behaviour of each kind of thing (and each individual thing).