The Importance of Separation in a Multiple Universe

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If you thought there was only one universe, then personal identity would be a fairly simple thing. When you now have many worlds and each individual person becomes multiple copies, that's no longer true. So therefore, the fact that even in the original single universe way of talking, you really should distinguish between yourself at 5pm and yourself at 6pm as two different people with connections between them. That goes from being optional but inconvenient in the single world case to being necessary in the multiple world case.

Welcome to the July 2023 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by Patreons, whittle them down to a more manageable number -- based primarily on whether I have anything interesting to say about them, not whether the questions themselves are good -- and sometimes group them together if they are about a similar topic.

We're experimenting with a new benefit for Patreon supporters: short video (or audio-only) reflections by me on the podcast that just happened. If you've been wondering whether to join up, this could be the time.

Blog post with questions and transcript: https://www.preposterousuniverse.com/podcast/2023/07/03/ama-july-2023/

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