Examples sheets for MATH0004, Sets and Sequences, February-May 2001, are accessible from here as Postscript or PDF. So are brief solutionsThe reading list for the course, available from the library catalogue, lists some relevant books which are available in the University of Bath Library.
The main recommended book for the course is Introductory Mathematics: Algebra and Analysis by Geoff Smith. There are some amplifications to this book which are available now in electronic form, of which the amplifications to Chapter 1 are particularly relevant to this course. Please note that the amplifications are copyright, though you may use them freely (by kind permission of the author) if you are attending this course.