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twanvl comments on Naturalism versus unbounded (or unmaximisable) utility options - Less Wrong Discussion

34 Post author: Stuart_Armstrong 01 February 2013 05:45PM

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Comment author: twanvl 02 February 2013 12:53:57PM 2 points [-]

But that would mean that the utility of 50% chance of 1 day and 50% chance of 3 days is 0.5*1+0.5*1.75=1.375, which is different from the utility of two days that you would expect.

Comment author: Andreas_Giger 02 February 2013 03:28:12PM *  1 point [-]

You can't calculate utilites anyway; there's no reason to assume that u(n days) should be 0.5 * (u(n+m days) + u(n-m days)) for any n or m. If you want to include immortality, you can't assign utilities linearly, although you can get arbitrarily close by picking a higher factor than 0.5 as long as it's < 1.