# iTunes U albums

### Album: Definitions, proofs and examples

## Track: Definitions, Proofs and Examples 3

**Description:**
Discussion of questions relating to: unions of finite sets, bounded sets and closed sets; convergence of sequences, and the related (non-standard) concept of absorption of sequences by sets.
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.

**Keywords:**
set inclusions, set equalities,sums of subsets of the real line, sum, union, difference, Cartesian products, set differences, set inclusions, bounded sets, unbounded sets, open set, continuous functions, divergent sequences, convergent sequences

**Author:**
Dr Joel Feinstein

**Category:**
Mathematics

**Web page:**
http://explainingmaths.wordpress.com/definitions-proofs-and-examples/

**Thumbnail:**
http://itunesu.nottingham.ac.uk/media/Mathematics/Proofs/images/maths-dpe.jpg

**Track media file:**
http://itunesu.nottingham.ac.uk/media/Mathematics/Proofs/video/MAN-DPE3.mp4

**Duration:**
00:29:11

**Size:**
135397376

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