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 credit is clearly attributed to the author and that it is released under the same licence.
Version 0.3 was released on Wednesday 3rd July 2019—see here for notes on what has changed since v0.2.
See also: preview of v0.4 (unstable)
Older versions can be found in the archive.
Please be aware that this textbook is still a work in progress!
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 find my contact information on my academic web page.