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This is a question about terminology used in QM since I need to clarify this aspect. Is “probabilistic” a synonym of “indeterministic”? And in case they are not synonyms, what do they exactly mean? And is “randomness” a synonym of “indeterminacy”?

  • Generally, "indeterministic" is broader than "probabilistic", indeterminacy can, in principle, be completely lawless, i.e. not obey even probabilistic laws. “Randomness” and “indeterminacy” might differ in some contexts (e.g. free will discussions), but in the context of QM all these distinctions are mostly moot. – Conifold Apr 25 at 16:50
  • And what abou the term “stochastic”? Is it, again, used as a synonym of “probabilistic”? @Conifold – Lizzie Apr 26 at 16:15
  • "Stochastic" is usually used in the theory of random processes, and not in QM, but yes, more or less. – Conifold Apr 26 at 23:43
  • Thanks again @Conifold just another question when you said in the first answer that distinctions considered are not relevant in QM are you thinking about the indeterministic/probabilistic distinction or just the randomness/indeterminacy one? – Lizzie Apr 27 at 17:27
  • All of them do not matter much. – Conifold Apr 28 at 0:01

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