In yesterday's post I laid out three "neutralist" theories and said something about the relationship of William James' thought to each. I'd like to tie that line of inquiry up a bit today. Again, the theories are: neutral monism; dual aspect theory; panpsychism. What they maintain in each case is that there is some stuff that is neither mental nor physical, and that the mental and physical realms are constructions out of this stuff, so that we can allow for mind-body interaction without freaking out over HOW? For a neutral monist, the stuff is an underlying collection of data or unclassified facts such as an image of a piece of paper. For a dual aspect theory, the stuff is God, the Universe, Everything Considered as a Totality. For a panpsychist, the stuff is, well, mindful matter. Which includes all matter (and, likely enough, all mind.) I shared yesterday, too, my own impression that the first listed of those three arises out of a principle of pars...