Lecture 2b: Math. Analysis - open balls and closed balls

The second part of the third class in Dr Joel Feinstein's G12MAN Mathematical Analysis module includes a discussion of open balls and closed balls. Further module materials are available for download from The University of Nottingham open courseware site: http://unow.nottingham.ac.uk/resource... and on iTunes U: http://itunesu.nottingham.ac.uk/album... 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.