For 10 points, name this thing that dualists believe is separate from the body.
In a book about supervenience and this philosophical entity, Jaegwon Kim set forth an argument for reductive physicalism to explain it. The "computational theory" of this entity was put forth by Hilary Putnam. Gilbert Ryle critiqued the Cartesian theory of this entity in a 1949 book titled for the "concept" of this entity, which compares Descartes' theory of it to a "ghost in a machine." George Berkeley was an immaterialist and thought that everything existed in this entity. For 10 points, name this thing that dualists believe is separate from the body.
In a book about supervenience and this philosophical entity, Jaegwon Kim set forth an argument for reductive physicalism to explain it.
mind [accept no other answer]