That's funny, David again and the other David arguing about the hard versus the "soft" problem of consciousness. Have you two lost your original? I think A and B are sticking different terminology on a similar thing. A laments that the "real" problem hasn't been solved, B points out that it has to the extent that it can be solved. Yet in a way they treat common ground: A believes there are aspects of the problem of con(tainment|sciousness) that didn't get explained away by a "mechanistic" model. B believes that a (probably reductionist) model suffices, "this configuration of matter/energy can be called 'conscious'" is not fundamentally different from "this configuration of matter/energy can be called 'a particle'". If you're content with such an explanation for the latter, why not the former? ... However, with many Bs I find that even accepting a matter-of-fact workable definition of "these states correspond to consciousness" is used as a stop sign more so than as a starting point. Just as A insists that further questions exist, so should B, and many of those questions would be quite similar, to the point of practically dissolving the initial difference. Off of the top of my head: If the experience of qualia is a potential side-effect of physical objects, is it configuration-dependent or does everything have it in some raw, unprocessed form? Is it just that the qualia we experience are modulated and processed by virtue of the relevant matter (brain) being in a state which can organize memories, reflect on its experiences etc.? Anthropic considerations apply: Even if anything had a "value" for "subjective experience", we would know only about our own, and probably only ascribe that property to similar 'things' (other humans or highly developed mammals). But is it just because those can reflect upon that property? Are waterfalls conscious, even if not sentient? "What an algorithm feels like on the inside" - any natural phenomenon is executing algorithms just th

But I don't think conscious experience (qualia if you like) have been explained. I think we have some pretty good explanations of how people act, but I don't see how it pierces through to consciousness as experienced, and linked questions such as 'what is it like to be a bat?' or 'how do I know my green isn't your red' It would help if you could sum up the merely mechnical things that are 'just what consciousness is' in Dennett's (or your!) sense. I've never been clear on what confident materialists are saying on this: I'm sometimes left with the impression that they're denying that we have subjective experience, sometimes that they're saying it's somehow an inherent quality of other things, sometimes that it's an incidental byproduct. All of these seem to be problematic to me.