Quote:
Originally posted by juju
If you define 'red' as a certain frequency of light, then it exists and is a real, scientifically provable phenomenon. If you define it as just the perception of that frequency, though, then it's not a 'real', physical thing.
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Not to mention that in practical terms, there isn't "one" red.
"Red" covers a variety of shades -- some lighter, some darker, some mixed with other colors, but with red remaining the dominating color. I could hold up five cards, each one with a varying shade of red, and say "What color is this?" and you'd probably say "Red" to any of them, yet also distinguish that they're different if I held them up together.
And so it also goes with "good" and "evil."