 That a principle of determinism is violated in physics receives support from quantum mechanics—or at least from any interpretation according to which the theory is indeterministic. Yet if quantum mechanics were cited as reason for the failure of a principle of causality, one can try to rescue the principle by introducing a notion of probabilistic causation: causes do not determine their effects but determine the probabilities of an effect’s occurrence. Here, too, Schrödinger can serve as example, who later maintained that