tag:blogger.com,1999:blog-23478689.post7700501485687373539..comments2008-06-29T00:08:18.799ZPeter Smithhttp://www.blogger.com/profile/03957579588136008664noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-23478689.post-15286051254464082942008-06-29T00:08:00.000Z2008-06-29T00:08:00.000ZExcellent! I've been presenting some stuff from Dunn's book on gaggles to some people around Pittsburgh. I have been using the earlier version of the handout to illustrate a concrete instance of Galois connections, as concrete as classes of models and of sentences are, and it has been extremely helpful.Shawnhttp://www.blogger.com/profile/15244930958211791213noreply@blogger.com