Without committing himself to the idea that human autonomy is compatible with determinism or incompatible (a position held by both libertarians and incompatibilists), Mele provides arguments in support of autonomous agents for both positions.
John Martin Fischer is best known for the view of "semi-compatibilism" - the idea that moral responsibility is compatible with determinism, whether free will is or is not compatible with determinism.
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For example, John Martin Fischer's Semi-compatibilism assumes with Frankfurt that we can have moral responsibility, even if determinism (and/or indeterminism) is incompatible with free will.