ABSTRACT
The first half of this enquiry defined the available responses to the mind-body problem and filled in some of the history of this problem. Since the early twentieth century, that history has been characterised by a striking shift away from nonphysical substances despite increasing support for nonphysical properties. The second half will argue that if you posit nonphysical properties in response to the mind-body problem, then you should also posit nonphysical substances. The flagship argument enters in the final section of this chapter. The intervening sections explain informally why property dualism is a strange position given the insights that motivate it and present two auxiliary arguments.
