Single Idea 11840

[catalogued under 9. Objects / F. Identity among Objects / 8. Leibniz's Law]

Full Idea

It is only to things which are indistinguishable and one in essence [ousia] that all the same attributes are generally held to belong.

Gist of Idea

Only if two things are identical do they have the same attributes


Aristotle (Sophistical Refutations [c.331 BCE], 179a37)

Book Reference

Aristotle: 'Sophistical Refutations, On the Cosmos etc (III)', ed/tr. Forster,E.S. /Furley,D.J. [Harvard Loeb 1955], p.121

A Reaction

This simply IS Leibniz's Law (to which I shall from now on quietly refer to as 'Aristotle's Law'). It seems that it just as plausible to translate 'ousia' as 'being' rather than 'essence'. 'Indistinguishable' and 'one in ousia' are not the same.