/sci/ - Science & Math

>>16010616
>gradients
>>16011073
Not that it matters anyway, it's just the old spectrum fallacy. Just because purple exists doesn't mean red and blue are the same or that you can't categorize colors.
The fact that part of the structure is due to simple distance doesn't change the reality of the structure either.

>>14489371
>If there are no hard lines, is it useful to speak of distinct things ?
Yes. Red and yellow are different things even without a hard line between them.

>it's probably more intelligent to classify people by ethnicity and culture.
How is that any better ? They're continuums too.