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Single Idea 17188

[from 'The Ethics' by Baruch de Spinoza, in 9. Objects / B. Unity of Objects / 1. Unifying an Object / b. Unifying aggregates ]

Full Idea

If a number of individuals so unite in one action that they are all simultaneously the cause of one effect, I consider them all, so far, as one individual thing.

Gist of Idea

A thing is unified if its parts produce a single effect

Source

Baruch de Spinoza (The Ethics [1675], II Def 7)

Book Reference

Spinoza,Benedict de: 'Ethics', ed/tr. White,WH/Stirling,AH [Wordsworth 2001], p.46


A Reaction

Interesting. If a mob burn down a town, is that one effect, making the mob one thing? If a ball breaks a window, is that one effect, or a multitude of knock-on effects? Spinoza's view is very coarse-grained.