Would a materialist and reductionist have to reject the phenomena/noumena distinction? I saw a clip of a debate between Christopher Hitchens and Douglas Wilson in which Hitchens seems to claim that one could reject the supernatural without rejecting the noumenal. To truly believe in a hidden "thing in itself" wouldn't you have to take a leap of faith, so to speak? You would have to assert that we should believe in something unprovable, which would seem to be the antithesis of Hitchens' normal position. Thanks!

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Very interesting question, but as a non-kant specialist I would answer this. It's not clear to me that the p/n distinction is a metaphysical one, i.e. one between two different kinds of objects, one 'out there in itself' and one 'in here, as perceived by our minds." Rather it seems to me more an epistemological one, ie two different ways of thinking about one and the same objects: there's the sun-in-itself, and the sun-as-it-appears, but that is one object (the same sun) thought about two different ways, not two distinct objects. (Perhaps Kant scholars interpret the distinction differently ....) But on htis understanding, the noumenal doesn't seem so exotic or supernatural or require a leap of faith, etc.; it just seems a reflection of the (perhaps obvious) fact that in thinking and perceiving about x we cannot but employ the cognitive apparatus we have, and that that apparatus will influence the process in various ways ... Moreover, "to reject the supernatural" could also be understood purely within the phenomenal realm: one who rejects the supernatural so construed denies that the world-as-it-appears contains any beings or phenomean that override the various laws of that world .... So in both cases (where the p/n distinction is epistemic and where we restrict supernatural to the p world) we could reject the supernatural w/o rejecting the noumenal ....

hope that's useful--

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