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2 ideas
| 6490 | For Descartes, objects have one primary quality, which is geometrical [Descartes, by Robinson,H] |
| Full Idea: Descartes denies any similarity between the physical world and ideas, as matter possesses only geometrical properties; Locke allows more primary qualities, but follows Boyle and the atomists in treating secondary qualities as creations of sense. | |
| From: report of René Descartes (Meditations [1641]) by Howard Robinson - Perception 1.5 | |
| A reaction: The interesting point to note here is that Descartes' geometrical view of objects (they are defined purely by 'extension') is the view that they have one minimal primary quality. I prefer Locke's view, of which the history (given here) is interesting. |
| 2295 | Why does pain make us sad? [Descartes] |
| Full Idea: Why should a certain sadness of spirit arise from a sensation of pain? | |
| From: René Descartes (Meditations [1641], §6.76) |