Stuart_Armstrong comments on Fundamentals of kicking anthropic butt - Less Wrong

18 Post author: Manfred 26 March 2012 06:43AM

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Comment author: Stuart_Armstrong 05 April 2012 10:37:30AM 1 point [-]

In either case, asking "but what's the probability, really?" isn't helpful.

Strongly agree. My paper here: http://arxiv.org/abs/1110.6437 takes the problem apart and considers the different components (utilities, probabilities, altruism towards other copies) that go into a decision, and shows you can reach the correct decision without worrying about the probabilities at all.

Comment author: DanielLC 04 July 2012 03:47:34AM -1 points [-]

You're wondering whether or not to donate to reduce existential risks. You won't donate if you're almost certain the world will end soon either way. You wake up as the 100 billionth person. Do you use this information to update on the probability that there will only be on the order of 100 billion people, and refrain from donating?