Download and licence information

An Infinite Descent into Pure Mathematics is licensed under a Creative Commons Attribution-ShareAlike 4.0 International Licence. This means that you are welcome to use, download and share the textbook, provided that attribution is given to the author (Clive Newstead) and that it is released under the same licence.

Version 0.5 was released on Saturday 24th December 2022—see here for notes on what has changed since v0.4.

Version 1.0 is in the works—a preview can be accessed via the ‘unstable download’ below.

Older versions can be found in the archive.


Any feedback, be it from students, teaching assistants, instructors or any other readers, would be very much appreciated. Particularly useful are corrections of typographical errors, suggestions for alternative ways to describe concepts or prove theorems, and requests for new content (e.g. if you know of a nice example that illustrates a concept, or if there is a relevant concept you wish were included in the book).

To send feedback, please contact the author directly (