Do you consider copies of yourself in parallel worlds to be you? What would it mean?
This short story may provide food for thought.
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@WomanCorn My understanding of it is that identity isn't transitive. I.e. all my past selves are me, and all my fork's past selves are him, but even though those sets overlap my fork isn't me.
But quantum suicide does still freak me out. Especially when invoked to explain nuclear near-misses like the one Stanislav Petrov averted.
