Single Idea 17248

[catalogued under 9. Objects / B. Unity of Objects / 1. Unifying an Object / b. Unifying aggregates]

Full Idea

How can any whole body be moved, unless all its parts be moved together with it?

Gist of Idea

If a whole body is moved, its parts must move with it


Thomas Hobbes (De Corpore (Elements, First Section) [1655], 2.08.05)

Book Reference

Hobbes,Thomas: 'Metaphysical Writings', ed/tr. Calkins,Mary Whiton [Open Court 1905], p.57

A Reaction

This might be a distinguishing mark for a whole physical body. I think it is probably the main mark for ordinary folk. I've never found this idea in Aristotle.

Related Idea

Idea 2351 Aristotle says an object (e.g. a lamp) has identity if its parts stay together when it is moved [Putnam]