Dualism I believe that the popular or "ghost in the machine" form of substance dualism best solves the mind body problem. My views in this area have been influenced by my twelve years of Catholic education. The soul, or mind, depending on your level of belief, was a complete and separate entity and was the center of a human being. The body was an ambulatory device that the soul directed. The idea that the mind is a separate entity and that it is independent of the physical body is the central point of substance dualism. Churchland explains that substance dualism claims that the mind is a distinct nonphysical thing, a complete nonp