1. Causation The Indeterminism Problem

2. Review The Counterfactual Theory: Necessarily, for any events c and e, c is a cause of e iff, if c had not occurred, then e would not have occurred. Objection #1: Causes vs. Conditions Objection #2: Overdetermination Objection #3: Preemption Objection #4: Chancy Causation Objection #5: Overlapping Objection #6: Trumping?

3. The Problem of Indeterminism Determinism: Every event is determined by the past, together with the laws of nature. Indeterminism: Some events are not determined by the past, together with the laws of nature.

4. The Problem of Indeterminism The Counterfactual Theory: Necessarily, for any events c and e, c is a cause of e iff, if c had not occurred, then e would not have occurred. Objection #4: Chancy Causation

5. The Problem of Indeterminism The Probabilistic Counterfactual Theory: Necessarily, for any events c and e, c is a cause of e iff the probability of e’s occurring would have been lower had c not occurred. Objection #5: Overlapping Objection #6: Trumping