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2 ideas
17248 | If a whole body is moved, its parts must move with it [Hobbes] |
Full Idea: How can any whole body be moved, unless all its parts be moved together with it? | |
From: Thomas Hobbes (De Corpore (Elements, First Section) [1655], 2.08.05) | |
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. |
18617 | Substances, unlike aggregates, can survive a change of parts [Mumford] |
Full Idea: Substances can survive a change in their parts in a way that a mere aggregate of parts. | |
From: Stephen Mumford (Metaphysics: a very short introduction [2012], 3) | |
A reaction: A simple but very important idea. If we then distinguish between 'substances' and 'aggregates' we get a much clearer grip on things. Is the Ship of Theseus a substance or an aggregate? There is no factual answer to that. What do you want to explain? |