Sometimes you don’t need copying to get a tricky decision problem, amnesia or invisible coinflips are enough. For example, we have the Sleeping Beauty problem, the Absent-Minded Driver which is a good test case for LW ideas, or Psy-Kosh’s problem which doesn’t even need amnesia.
Sometimes you don’t need copying to get a tricky decision problem, amnesia or invisible coinflips are enough. For example, we have the Sleeping Beauty problem, the Absent-Minded Driver which is a good test case for LW ideas, or Psy-Kosh’s problem which doesn’t even need amnesia.