> The probabilistic aspect only comes into play when you cast a quantum state down to a classical observable quantity like position or momentum. That's also pa

> The probabilistic aspect only comes into play when you cast a quantum state down to a classical observable quantity like position or momentum. That's also part of quantum mechanics. At least if you are trying to do physics. https://www.math.columbia.edu/~woit/wordpress/?p=10533&cpage=2#comment-231813 https://www.math.columbia.edu/~woit/wordpress/?p=10533&cpage...