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- Scientific Collaborator (Wissenschaftlicher Mitarbeiter)
- : Department of Philosophy
- : Philosophy
- Reasons and Rationality, Rational Requirements, Intentions, Kant: Ethics, Kantian Ethics, Moral Contractualism
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- Regular Faculty
- : Department of Philosophy
- : Philosophy
- Metaphysics of Mind, Philosophy of Consciousness, First-Person Contents, Self-Consciousness in Experience
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- Professor
- : Department of Philosophy
- : Philosophy
- 20th Century Philosophy, Value Theory, Aesthetics, History of Western Philosophy, Philosophical Traditions, Metaphysics and Epistemology