Hi Simon, Thanks for this little expose - I'm just beginning to warm up to the category framework so this is very helpful.
Cheers, Christian -- http://www.nullhomotopie.de -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
