in article <email@example.com>, timothy murphy <firstname.lastname@example.org> wrote:
|James Dolan wrote: | |> my current favorite way of thinking about the homomorphism 4! -> 3! |> is as the "line at infinity in the projective completion" functor |> from affine planes to projective lines over the field z/2. | |Er.. Do 3!, 4! mean S(3), S(4)? If so, you have only saved two |right-brackets.
no, that is not the only thing that i've done, nor was i trying to do that.