Single Idea 10723

[catalogued under 8. Modes of Existence / B. Properties / 11. Properties as Sets]

Full Idea

Lewis proposes that a property is the set of its actual and possible instances.

Gist of Idea

A property is the set of its actual and possible instances

Source

report of David Lewis (On the Plurality of Worlds [1986], 1.5) by Alex Oliver - The Metaphysics of Properties 10

Book Reference

-: 'Mind' [-], p.22


A Reaction

I just can't make sense of any proposal that a property is a set. Things fall into natural sets because they have properties. Only a philosopher would believe such a weird proposal as this one. Triangular and trilateral?