John wrote:....Or is "blue" like "4," not in the world but only an abstraction in the mind? As an idea, "blue" is evidently not in the world; but like the number 4, it originates in the world as a recalling of a certain image. A (blue marbles) image. Just like "4" is a recalling of a (4 marbles) image. The image was originally a present object, later an "idea". "4" and "blue", as ideas, are not that different really (especially late at night, ... oh well) Alex Trifan/ Boston ------------------------------------------------------------------ To change your Lit-Ideas settings (subscribe/unsub, vacation on/off, digest on/off), visit www.andreas.com/faq-lit-ideas.html