The basic multiverse formulation, saying “all universes exist”, is insufficient; you also need some sort of mapping from universe-specifications to weights, with the weights summing to 1. And that mapping has to look at least a little bit like an Occamian prior.
The basic multiverse formulation, saying “all universes exist”, is insufficient; you also need some sort of mapping from universe-specifications to weights, with the weights summing to 1. And that mapping has to look at least a little bit like an Occamian prior.
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