The first class in in Dr Joel Feinstein's Functional Analysis module covers introductory material on totally ordered sets and partially ordered sets.
Further module materials are available for download from The University of Nottingham open courseware site: http://unow.nottingham.ac.uk/resources/resource.aspx?hid=bd32d53b-3c12-ac19-176b-d9e112731951 and on iTunes U: http://itunesu.nottingham.ac.uk/albums/64.rss
Dr Feinstein's blog may be viewed at: http://explainingmaths.wordpress.com/
Dr Joel Feinstein is an Associate Professor in Pure Mathematics at the University of Nottingham.