> There are constraints in the form of probabilities, so it's not like anything can happen at any time. But what actually happens, it's spontaneous, un-caused.

> There are constraints in the form of probabilities, so it's not like anything can happen at any time. But what actually happens, it's spontaneous, un-caused. Ah, your problem is that you only seem to be aware of the Copenhagen interpretation. There are other interpretations available that work just as well, but don't have anything as inconvenient as nondeterminism. > This is a vast area of research that has spanned decades and yielded very little in the way of solutions. No, you are wrong here. https://en.wikipedia.org/wiki/Copenhagen_interpretation https://en.wikipedia.org/wiki/Copenhagen_interpretation https://en.wikipedia.org/wiki/Einselection https://en.wikipedia.org/wiki/Einselection https://en.wikipedia.org/wiki/Many-worlds_interpretation https://en.wikipedia.org/wiki/Many-worlds_interpretation https://en.wikipedia.org/wiki/Objective_collapse_theory https://en.wikipedia.org/wiki/Objective_collapse_theory https://en.wikipedia.org/wiki/Transactional_interpretation https://en.wikipedia.org/wiki/Transactional_interpretation