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The answers to both "some kind of platonism" and "infinitely many universes instantiating mathematical structures" is no. Born is closer to Hegel than to Plato, and even further from Tegmark than from Plato. His views are described more systematically in the book Physics in My Generation (1966), the chapter Symbol and Reality: "In every field of ...


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Here are some quotes from Max Tegmark's "The Multiverse Hierarchy" hopefully answering the OP's question: What exactly does he mean by self-aware substructure? Tegmark assumes that "all aspects" of reality are isomorphic to a mathematical structure. Let us now digest the idea that physical world (specifically, the Level III multiverse) is a mathematical ...


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If Max Tegmark is using the words "self-aware substructure of the universe", then he is referring to agency and the beings who possess it, for example us. If the universe is perceived as a mathematical structure, than not all of the structure possess the capacity for perception, hence the delineation of a sub-structure which by definition means a smaller ...


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