Not necessarily. Future!you doesn’t have much control over events that happen in its past, so you don’t have much incentive to ensure that it cares about them. Also, you know that yourself 4^^^^4 years from now will not actually be only a billion years old.
Good point. My reasoning only applies to situations in which you have information that future!you doesn’t, and come to think of it, messing with future!you’s utility function seems like an odd way to handle that problem even then.
Not necessarily. Future!you doesn’t have much control over events that happen in its past, so you don’t have much incentive to ensure that it cares about them. Also, you know that yourself 4^^^^4 years from now will not actually be only a billion years old.
Perhaps the mugger claims that there were only a billion fun years.
Good point. My reasoning only applies to situations in which you have information that future!you doesn’t, and come to think of it, messing with future!you’s utility function seems like an odd way to handle that problem even then.