Someone asked at Quora for the best arguments against mind-body dualism. The following is a (slight) re-working of my response there. The Quorant was not specific about whether he meant "substance dualism" or "property dualism". I will note for the record then, that property dualism was created in part as an answer to some of the standard objections of substance dualism. I won't define those terms further now, though, because to my own mind there are two powerful arguments that must be rebutted by advocates of EITHER of the dualisms. These are what I will discuss right now: the argument from evolutionary continuity and that from neurophysiology. First, continuity. If one accepts the broad biological model that the human species has its origin in random variation from other primates, and the primate genus has its origin in random variations from non-primate mammals, etc. AND if one believes humans are distinctive in having a mind in principle distinct from ...