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shminux comments on Selfish preferences and self-modification - Less Wrong Discussion
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Comments (24)
Then we have the problem of deciding what counts as a decision. Even very minor changes will invalidate a broad definition like "body movements", as most body movements will be different after the 2 diverge.
My prefered diverging point is as soon as the cloning happens. I'm open to accepting that as long as they are identical, they can cooperate, but that can be justified by pure TDT without invoking "caring for the other". But any diverging stops this; that's my Schelling point.
I agree, "as soon as the cloning happens" is an obvious Schelling point with regards to caring. However, if you base your decision to cooperate or defect on how similar the other clone is to you in following the same decision theory, then this leads to "not at all similar", resulting in defection as the dominant strategy. If instead you trust the other clone to apply TDT the way you do, then you behave in a way that is equivalent to caring even after you profess that you do not.
I don't think so. When I say I would cooperate, I mean standard Prisoner's Dilemma stuff. I don't have to care about them to do that.
The things I wouldn't care about are the kinds of situations mentioned in the OP. In a one sided Dilemma, where the other person has no choice, TDT does not say you should cooperate. If you cared about them, then you should cooperate as long as you will lose less than they gain. In that case I would not cooperate, even though I might self-modify to cooperating now if given the choice.
I see. I understand what you mean now.