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AMA | July 2023
Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
The Ontological Status of Density Matrixes in Mad Dog Aberedianism
A density matrix is how in quantum mechanics we talk about situations where there is not a pure wave function for a system. Sandro Stuckey says, I wonder about the ontological status of density matrices in Mad Dog Aberedianism. Does it matter from a realist stance if we cannot distinguish different distributions of pure states that correspond to the same density matrix? Yeah, the answer is I don't know. I'm not even sure if it matters. Having said that, once you pick an answer to that question, you would certainly be perfectly legitimate in having an eternalist view of time. It's just that the transitions from the state of the universe from one moment to the
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