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| 10952 | Unusual kinds like mule are just a combination of two kinds [Aristotle] |
| Full Idea: The kind that is common to both horse and ass and which most nearly comprises them happens not to have a name, but can safely be presumed to be both, i.e. the horse-ass or 'mule'. ...A mule does not come from a mule. | |
| From: Aristotle (Metaphysics [c.324 BCE], 1033b32) | |
| A reaction: [second part at 1034b04] Does ancient Greek have a word for 'mule' - it sounds as if it doesn't. Nice chicken-and-egg problem. Must a natural kind be derived from a natural kind? No. Gold does not derive from gold. |