There are several competing approaches as to how to best understand the measurement problem in quantum mechanics. Some involve true randomness, while others (such as my favorite, the Everett or Many-Worlds formulation) retain complete determinism. We’ll talk about the alternatives in chapter 21. All of the popular versions of quantum mechanics, however, maintain the underlying philosophy of Laplace’s analysis, even if they do away with perfect predictability: what matters, in predicting what will happen next, is the current state of the universe. Not a goal in the future, nor any memory of
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