Sorry for the confusion. The detail of using the word "deepest" that doesn't apply to the case where there is no bottom, and generalization from systems with a bottom to systems without. It was supposed to be a clarification of the sense in which I consider "mental" entities and what would make them irreducible.
Thanks for the attempt to clarify it for me. Do we actually disagree? Anyway, ill try to do a top-level post tomorrow to shake your (apparent) belief that mental entities need to have non-mental parts.
(Last month's started a little late, I thought I'd bring it back to its original schedule.)
A monthly thread for posting any interesting rationality-related quotes you've seen recently on the Internet, or had stored in your quotesfile for ages.