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Brian_Tomasik comments on [Resolved] Is the SIA doomsday argument wrong? - Less Wrong Discussion
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Thanks! I think this is basically a restatement of Katja's argument. The problem seems to be that comparing number of brains like ours isn't the right question. The question is how many minds are exactly ours, and this number has to be the same (ignoring simulations) between (B) and (C): namely, there is one civilization exactly like ours in either case.
So if eternal inflation were correct and there were a vast number of universes, many corresponding to (A), (B), (C), and (D) with many minds exactly like yours in each then you would accept Katja's argument?
Not sure of the relevance of eternal inflation. However, I think I've realized where my argument went astray and have updated the post accordingly. Let me know if we still disagree.