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Single Idea 2239
[filed under theme 12. Knowledge Sources / B. Perception / 2. Qualities in Perception / e. Primary/secondary critique
]
Full Idea
It is agreed that all sensible qualities of objects, such as hard or hot, are secondary, and exist in the mind and not in objects; but then this also follows for the primary qualities of extension and solidity.
Gist of Idea
If secondary qualities (e.g. hardness) are in the mind, so are primary qualities like extension
Source
David Hume (Enquiry Conc Human Understanding [1748], XII.I.122)
Book Ref
Hume,David: 'Enquiries Conc. Human Understanding, Morals', ed/tr. Selby-Bigge/Nidditch [OUP 1975], p.154
A Reaction
he mentions Berkeley
The
17 ideas
with the same theme
[criticism of the primary/secondary distinction]:
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12721
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Light, heat and colour are apparent qualities, and so are motion, figure and extension
[Leibniz]
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19358
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Colour and pain must express the nature of their stimuli, without exact resemblance
[Leibniz]
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3934
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A mite would see its own foot as large, though we would see it as tiny
[Berkeley]
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3935
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The apparent size of an object varies with its distance away, so that can't be a property of the object
[Berkeley]
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3937
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'Solidity' is either not a sensible quality at all, or it is clearly relative to our senses
[Berkeley]
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3940
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Distance is not directly perceived by sight
[Berkeley]
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6726
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No one can, by abstraction, conceive extension and motion of bodies without sensible qualities
[Berkeley]
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6728
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Motion is in the mind, since swifter ideas produce an appearance of slower motion
[Berkeley]
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6727
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Figure and extension seem just as dependent on the observer as heat and cold
[Berkeley]
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2239
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If secondary qualities (e.g. hardness) are in the mind, so are primary qualities like extension
[Hume]
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16924
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I count the primary features of things (as well as the secondary ones) as mere appearances
[Kant]
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5679
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We can't grasp the separation of quality types, or what a primary-quality world would be like
[Dancy,J]
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5680
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For direct realists the secondary and primary qualities seem equally direct
[Dancy,J]
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3885
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We only conceive of primary qualities as attached to secondary qualities
[Scruton]
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3910
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If primary and secondary qualities are distinct, what has the secondary qualities?
[Scruton]
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7053
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Treating colour as light radiation has the implausible result that tomatoes are not red
[Heil]
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9308
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If subjective and objective begin to merge, then so do primary and secondary qualities
[Svendsen]
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