> Or if you for some reason insist on total free will. Like, the free will to do something other than what you saw your future self do? Yeah, you do have that.

> Or if you for some reason insist on total free will. Like, the free will to do something other than what you saw your future self do? Yeah, you do have that. You have that ability even as a completely deterministic brain. Heck you could send a machine to go back in time 5 seconds that displays a number 1 greater than the number it just saw its future self display from the previous travel and your time loop has infinitely increasing state with no human in the process. Or the mundane, send a bomb back in time to destroy the time machine and your past self. It's very easy to think of examples. > Time loops are only a problem if you insist on being able to simulate reality by computing the next time step from previous ones, without discarding any yes?