>> Apparently CS 3110 (Spring 2021) was only offered to students enrolled at Cornell. If true, why is this website of interest to HN readers? Just asking.

Note the following:

> This work is based on over 20 years worth of course notes and intellectual contributions by the authors named above; teasing out who contributed what is, by now, not an easy task. The primary compiler and author of this work in its form as a unified textbook is Michael R. Clarkson.

You do not need to be enrolled in CS 3110 to be able to utilize this content (said "unified textbook").