From reading your article, it seems that the flaw of epiphenomenalism goes beyond what you have stated, Eliezer. The epiphenomenalist position is that, say, a zombie sensation ZS can cause a zombie belief, ZB, while ZS causes MS, the mental sensation, and ZB causes MB, the mental belief. There is supposed to be no relation between MS and MB. Surely then, this means that all beliefs, language and logic in the mental universe, or whatever it is, are both unjustified and unjustifiable. The connection normally assumed in justifying things is necessarily absent... (read more)
From reading your article, it seems that the flaw of epiphenomenalism goes beyond what you have stated, Eliezer. The epiphenomenalist position is that, say, a zombie sensation ZS can cause a zombie belief, ZB, while ZS causes MS, the mental sensation, and ZB causes MB, the mental belief. There is supposed to be no relation between MS and MB. Surely then, this means that all beliefs, language and logic in the mental universe, or whatever it is, are both unjustified and unjustifiable. The connection normally assumed in justifying things is necessarily absent... (read more)