more from Diogenes (Apoll)

Single Idea 489

[catalogued under 9. Objects / F. Identity among Objects / 7. Indiscernible Objects]

Full Idea

No one thing among things subject to change can possibly be exactly like any other thing, without becoming the same thing.

Gist of Idea

Each thing must be in some way unique


Diogenes (Apoll) (fragments/reports [c.440 BCE], B05), quoted by Simplicius - On Aristotle's 'Physics' 153.8

Book Reference

'Ancilla to the Pre-Socratic Philosophers', ed/tr. Freeman,Kathleen [Harvard 1957], p.88

A Reaction

This is said to be the first ever formulation of the principle of identity of indiscernible.