Abstract: David Chalmers argues that conscious experience is a real but nonphysical feature of nature. However, he also believes that all particular facts about any conscious experience supervene (naturally, but not logically) on physical facts, such that physical facts fully determine any conscious experience. His principle of organizational invariance goes even further to claim that … New Paper on the Secular Web by Clifford Greenblatt: David Chalmers’ Principle of Organizational Invariance and the Personal Soul