Why, according to Frankfurt, is the principle of alternate possibilities mistaken?

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Frankfurt argues that the principle of alternate possibilities is mistaken because it's possible for a situation to ensure one can't do otherwise without bringing it about that one does. This means that a person can be morally responsible for their actions even if they couldn't have done otherwise, challenging the traditional view that alternate possibilities are necessary for moral responsibility.

Why, According to Frankfurt, Is the Principle of Alternate Possibilities