[EDIT: I think the SIA doomsday argument works after all, and my objection to it was based on framing the problem in a misguided way. Feel free to ignore this post or skip to the resolution at the end.] ORIGINAL POST: Katja Grace has developed a kind of doomsday argument...
Nick Bostrom's self-sampling assumption treats us as a random sample from a set of observers, but this framework raises several paradoxes. Instead, why not treat the stuff we observe to be a random sample from the set of all stuff that exists? I elaborate on this proposal in a new...
Summary Some preference utilitarians care about satisfaction of preferences even when the organism with the preference doesn't know that it has been satisfied. These preference utilitarians should care to some degree about the preferences that people in other branches of our multiverse have regarding our own world, as well as...
Summary I think there's a decent chance that governments will be the first to build artificial general intelligence (AI). International hostility, especially an AI arms race, could exacerbate risk-taking, hostile motivations, and errors of judgment when creating AI. If so, then international cooperation could be an important factor to consider...