For some unknown reason I was reading up on syllogistic argument the other day and came up with this:

- All classical trajectories are deterministic (i.e. not probabilistic).
- (if there exists a correspondence limit for quantum mechanics then) Some quantum trajectories are classical (in terms of expectation values of observables).
- Hence, some quantum trajectories are deterministic (¿ in terms of expectation values of observables ?).

not sure that this is even vaguely surprising yet I get the feeling there is a mistake in the logic. If so - I would like to know where - hence posting it here for constructive criticism.

## 1 comment:

Perhaps the correspondence principle, with its notion of limits, is indeed only true in the classical limit, so the syllogism becomes almost a tautology

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