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Re:Discrete Mathematics: An Open Introduction, 3rd edition by hnxs on Sunday May 17, 2020 @08:26PM (#23216874)
This is great. Is there anything else of similar methodology and quality for other math subjects? I would love any recommendations.
Re:Discrete Mathematics: An Open Introduction, 3rd edition by yuanshan on Sunday May 17, 2020 @08:39PM (#23216969)
There is an open abstract algebra book that is similar, also rendered by pretextbook framework.

http://abstract.pugetsound.edu/aata/aata.html

Re:Discrete Mathematics: An Open Introduction, 3rd edition by joshvm on Monday May 18, 2020 @12:22AM (#23218303)
There is a gallery and catalog of Pretext books:

https://pretextbook.org/catalog.html

Re:Discrete Mathematics: An Open Introduction, 3rd edition by benrbray on Sunday May 17, 2020 @08:57PM (#23217073)
The following both have very well-thought out exercises that guide the reader through discovering the topic mostly on their own:

> Pinter, "Abstract Algebra" > Tao, "Introduction to Measure Theory" (and "Epsilon of Room, Vol. 1")