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TOPIC: Harry Frankfurt, “Alternate Possibilities and Moral Responsibility” (1969) — summary
SEARCH QUERY: Harry Frankfurt "Alternate Possibilities and Moral Responsibility" 1969 full text
RATIONALE: Canonical compatibilist paper arguing that moral responsibility does not require the ability to do otherwise; directly relevant to alternative possibilities and responsibility.

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Frankfurt’s central claim is that moral responsibility does not require the ability to do otherwise. He targets the traditional Principle of Alternate Possibilities (PAP), which says: a person is morally responsible for what he has done only if he could have done otherwise.

The paper’s strategy is to show that this principle is false by constructing cases in which an agent is morally responsible even though he had no genuine alternative. Frankfurt’s key idea is that what matters for responsibility is not the mere availability of alternative actions, but whether the action actually issues from the agent’s own will in the right way.

He imagines situations in which an outside intervener stands ready to force the agent to act in a certain way if the agent looks about to choose differently. If the agent proceeds on his own and does the act anyway, the intervener never has to step in. In such a case, the agent could not have done otherwise, because any attempt to choose otherwise would have been prevented. Yet he still seems morally responsible, since his actual decision came from his own motives and character, not from coercion.

Frankfurt’s point is that the absence of alternatives may be irrelevant when the actual sequence of events shows that the action was freely performed. If responsibility depends on whether the agent acted voluntarily and from his own reasons, then PAP is not a necessary condition of moral responsibility.

The paper also challenges a common thought behind discussions of freedom: that moral assessment always requires an open set of possible choices. Frankfurt argues instead that responsibility can attach to a single actual course of action, provided the action is suitably the agent’s own. This shifts attention away from hypothetical possibilities and toward the actual causal history of the action.

The broader philosophical impact of the paper is to open the way for compatibilist accounts of responsibility that do not rely on alternative possibilities. It became famous for introducing what are now called “Frankfurt cases,” which continue to be used in debates about free will, determinism, and moral responsibility.

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KEY CONCEPTS:
  - Principle of Alternate Possibilities (PAP)
  - moral responsibility
  - compatibilism
  - Frankfurt cases
  - absence of alternatives
  - voluntariness
  - actual sequence
  - agent’s own will
  - coercion and intervention
  - free will debate

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