Single Idea 6773

[catalogued under 26. Natural Theory / B. Natural Kinds / 2. Defining Kinds]

Full Idea

The proposal is that if F is a universal appearing in some natural law, then Fs form a natural kind.

Gist of Idea

If F is a universal appearing in a natural law, then Fs form a natural kind

Source

Alexander Bird (Philosophy of Science [1998], Ch.3)

Book Reference

Bird,Alexander: 'Philosophy of Science' [UCL Press 2000], p.113


A Reaction

Such proposals always invite the question 'What is it about F that enables it to be a universal in a natural law?' Nothing can be ultimately defined simply by its role. The character (essence, even) of the thing makes the role possible.