Michael Shulman 2-polycongruence

If you’ve read about 2-congruences and about familial regularity and exactness you should be able to figure out what a 2-polycongruence is. I don’t want to take the time to write it down precisely at the moment.

Created on January 30, 2009 at 20:15:44. See the history of this page for a list of all contributions to it.