On Jan 29, 2007, at 7:21 PM, [EMAIL PROTECTED] wrote:
In a message dated 1/29/2007 7:39:37 P.M. Eastern Standard Time, [EMAIL PROTECTED] writes: first and she said it was green because of plants I believe the earliest form of chlorophyll was red.
The amusing thing in this philosophical exercise is that color _categories_ don't have any objective existence -- they are an epiphenomenon of the physiological structure of light-perceiving organs. To clarify: light wavelengths have objective existence, but the concept that a particular range of wavelengths, albeit with fuzzy boundaries, constitutes the color "red" or "green" is a function of the particular sensitivities of retinal cells. Before the existence of eyes and brains, there were no color categories to precede or follow each other.
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