I don't know what you mean. I think if you did, you could have made it clear by now so I'm going to leave it here.
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Replying to @HPluckrose
appeals to natural selection don't explain which of two co-extensive traits is an adaptation and which is a by-product of adaptation
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Replying to @_attlee
What do you mean by this? I'm sure you could explain clearly if you wanted to. Think about why you don't want to.
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Replying to @HPluckrose @_attlee
If you're just claiming that some traits emerge as by-products of others, of course. Cats probably fear cucumbers coz useful re: snakes.
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Replying to @HPluckrose
it’s because some traits emerge as by-products of others that appeals to natural selection are vacuous
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Replying to @_attlee
That's simplistic. We just have to say that we can't always be sure something is adaptive & not a by-product of something else
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Replying to @HPluckrose @_attlee
See. Conversation works much better when you say what you mean clearly in whole sentences.
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Replying to @HPluckrose @_attlee
The evidence that our brains have adapted is the evidence that our brains have evolved and evolution works by natural selection.
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But whether a specific cognitive ability or psychological trait is an adaptation or by-product of something else is less certain.
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