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2 ideas
6860 | How can one discriminate yellow from red, but not the colours in between? [Williamson] |
Full Idea: If one takes a spectrum of colours from yellow to red, it might be that given a series of colour samples along that spectrum, each sample is indiscriminable by the naked eye from the next one, though samples at either end are blatantly different. | |
From: Timothy Williamson (Interview with Baggini and Stangroom [2001], p.151) | |
A reaction: This seems like a nice variant of the Sorites paradox (Idea 6008). One could demonstrate it with just three samples, where A and C seemed different from each other, but other comparisons didn't. |
6451 | Visual sense data are an inner picture show which represents the world [Blackburn] |
Full Idea: In the case of vision, sense data are a kind of inner picture show which itself only indirectly represents aspects of the external world. | |
From: Simon Blackburn (Oxford Dictionary of Philosophy [1994], p.347) | |
A reaction: I'm unsure whether this is correct. Russell says the 'roughness' of the table is the sense datum. If it is even a possibility that there are unsensed sense-data, then they cannot be an aspect of the mind, as Blackburn is suggesting they are. |