> "Equation X doesn't help us understand phenomena Y" How does that even remotely suggest non-determinism? > If, however, as the parent mentions, hidden varia

> "Equation X doesn't help us understand phenomena Y" How does that even remotely suggest non-determinism? > If, however, as the parent mentions, hidden variables do exist behind quantum mechanics, Isn't it obvious that we're not even remotely close to knowing everything? The uncertainty principles simply suggests that we perhaps can never grasp or understand all the details; it doesn't in any way imply that these unknown details don't exist. It'd be foolish to think that "because we can't predict it therefore it's non-deterministic".