Full Idea
We might try defining the natural properties by a short list, of the mass properties, charge properties, quark properties and flavours...
Gist of Idea
We might try defining the natural properties by a short list of them
Source
David Lewis (On the Plurality of Worlds [1986], 1.5 n47)
Book Reference
Lewis,David: 'On the Plurality of Worlds' [Blackwell 2001], p.67
A Reaction
He rejects this because of possible natural properties in other possible worlds. Defining anything by a list seems like cheating. Does John, Paul, George and Ringo 'define' something?