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Single Idea 15798

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

Full Idea

Kinds of things are specific arrangements of dispositions.

Gist of Idea

Kinds are arrangements of dispositions

Source

J.H. Fetzer (A World of Dispositions [1977], 2)

Book Ref

-: 'Synthese' [-], p.405


A Reaction

A 'disposition' doesn't seem quite the right word for what is basic to the physical world, though Harré and Madden make a good case for the 'fields' of physic being understood in that way. I prefer 'power', though that doesn't solve anything.

Related Ideas

Idea 15797 All structures are dispositional, objects are dispositions sets, and events manifest dispositions [Fetzer]

Idea 15303 Maybe a physical field qualifies as ultimate, if its nature is identical with its powers [Harré/Madden]


The 9 ideas with the same theme [what exactly is a natural kind?]:

By knowing one piece of clay or gold, you know all of clay or gold [Anon (Upan)]
All water is the same, because of a certain similarity [Aristotle]
Men started with too few particular names, but later had too few natural kind names [Rousseau]
What is true of one piece of copper is true of another (unlike brass) [Peirce]
There are natural kinds of processes [Ellis]
Kinds are arrangements of dispositions [Fetzer]
Natural kinds are defined by their real essence, as in gold having atomic number 79 [Rowlands]
If F is a universal appearing in a natural law, then Fs form a natural kind [Bird]
Maybe two kinds are the same if there is no change of entropy on isothermal mixing [Hendry]