1 To be morally responsible for her decision to x, an agent must be morally responsible for the state of mind that issues in x. 2 To be morally responsible for the state of mind that issues in x, an agent must be morally responsible for the decisions that caused her to have that state of mind. 3 To be morally responsible for those decisions, however, she would be to be morally responsible for the state of mind that issued in those decisions. 4 But if we keep tracing the etiology of the decision to x we will fail to find a state of mind for which the agent is not morally responsible only if an infinite regress of mental states is possible or the agent is causa sui. 5 An infinite regress of mental states is impossible. 6 No (human) agent is causa sui. 7 So, the agent is not morally responsible for x.

中文翻译：

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基本论点和适度的道德责任

1 为了对她对 x 的决定负有道德责任，代理人必须对 x 中的心理状态负有道德责任。2 要对 x 中的心理状态负有道德责任，代理人必须对导致她有这种心理状态的决定负有道德责任。3 然而，要对这些决定负有道德责任，她就要对这些决定中所发出的心理状态负有道德责任。4 但是，如果我们继续将决定的病因追溯到 x，我们将无法找到一种心理状态，只有当心理状态有可能无限倒退或行为者是因果关系时，我们才会发现行为者不对其负有道德责任的心理状态。5 精神状态的无限倒退是不可能的。6 没有（人类）代理人是因果关系。7 因此，代理人在道德上不对 x 负责。