 In this entry, we will be restricting our attention to arguments for the incompatibility of free will and nomological determinism, but it is important to understand one preliminary point. Nomological and logical determinism are very different kinds of claims. Logical determinism is a claim about truth; nomological determinism is a claim about the natural laws. Logical determinism doesn’t say anything about causation or the laws; it simply says that, regardless of whether we ever come to know them or not, there are timelessly true propositions about the past, present, and future, including our future actions. Logical determinism doesn’t entail nomological determinism; it might be true even if nomological determinism is false. But nomological determinism says (roughly) that facts about the past together with facts about the laws determine all the facts about the future. So if nomological determinism is true, there are true propositions about all our future actions.