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Immutable Past And Self-Consistency
- If you travel to the past you were always part of that past in a self-consistent timeline.
- Moments are immutable, so you can't undo your own existence in that view.
Parallel Universes Remove Paradoxes
- An alternative resolution uses a multiverse: traveling to the past may place you in a parallel universe so no paradox arises.
- This permits changes without contradictions to your original timeline.
Photons And The Absence Of Proper Time
- Photons have no proper time, so from our view they travel forward in time but from a photon's frame time 'stops' poetically.
- Attributing experience to a photon is misleading because photons lack consciousness.