Let's Talk About Discrete Mathematics

Discrete math is tough. It's a class that usually only computer science majors take but I was fortunate enough to take it during my time in college. There are lots of good books out there. Below are a few that I like!

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[martinhawrylkiewicz]

Susanna Epp book ... It's epic! Highly recommend getting this book. I must add that my book is the international version soft cover so it's a lot cheaper. Plus it has the best intro to logic I have ever seen in any book.

[Mathematicsandreligion]

I am a mathematics postgrad student. I am studying Graph theory this semester and I am loving it. Discrete mathematics is underrated

[meropale]

Thank you for taking the time to smell your books for us! I feel less alone in the world ❤

I am taking this class right now and I love it (!) because it feels like a gateway to more advanced math, like the proof-writing aspects and learning the symbolic language. I am a math major who is interested in possibly doing a double major with computer science.

[Hillis]

Don't miss this book by Jon Fortney (he has another similar in spirit for working with differential forms): "Discrete Mathematics for Computer Science: An Example-Based Introduction". I guess his books are particularly good because how he approaches a lot of fundamentals along the way of the main exposition that would otherwise be overlooked by other authors. First paragraphs in the preface: "One of the major challenges of teaching mathematics at the community college or small liberal arts college level is finding books that are genuinely appropriate for the student population..."

[kewlkid]

I just finished my final for discrete math this week. It was a very difficult class but it was so fun. I actually bought a couple discrete math books that I plan to use for some extra self study. I bought two about the subject, one recommended by my teacher called Naïve Set Theory by Paul Halmos, and the discrete math book you recommended by V.K. Balakrishnan.

[nazombie]

I took discrete mathematics twice, all math majors have a choice at my university to take that course as a elective class. The one thing is to take the class calculus 1 is a prerequisite for the course but proofs is not which it should be. I did pass the course the first time with a D, which that was spring 2023, I had retaken the class last semester in Fall 2024 after taking proofs and few other math courses. Last semester I passed Discrete mathematics with a C and after taking proofs before I did the retake, everything made a little more sense. Now my professor his PhD research was in enumerative combinatorics so he taught us more about counting structures and combinatorial proofs. We did work a lot with generating functions! I would recommend the book Discrete Mathematics and it's applications by Rosen.

[fisterhr]

It was required for my CS degree. Before I took it, I had no idea what it was going to be about and I had already taken taken calc 3 and thought, "how bad could it be". Boy was I WRONG! It didn't help that I had a "Dr Drop" professor either. I took his notes but didn't grasp much of what he tried to teach once we passed the truth tables lectures. I pretty much learned it on my own studying for hours upon hours in the library. This class gave me nightmares and humbled me so much that I used to get on my knees to ask God to help me understand it and at the end, I got a B. True story. Regardless of all that, I'd say, go for it! Not because it is easy, but because it is hard and becuse it is there. It will grow hair on your chest but for sure and you'll feel great after you pass it!

[evanmcarthur]

I audited a discrete math class on MIT Open courseware it was very eye opening!!

[gnarlsley]

Just started my first discrete math class and i find it pretty intuitive. It gave me a similar feeling to when i took calculus. That "Hey ive seen those symbols before, i always wondered what they did. Oh thats what they mean!" Feeling

[dhickey]

Wait, wait, wait! Discrete math teaches you Critical Thinking. How to form a logical argument and understand another person's position. It's incredibly important to everyone!

Yes, there are a lot of symbols and new terminology but the heart of it is how to think better and be understood. Stop what you're doing and learn discrete math!

[tmann]

I have to go back and review the proof writing from my discrete math class. We only did a week covering that and we focused more on mathematical induction. But after that i'll use proof writing books to make sure i am solid!

[randawfa]

Today, I dropped this class. Now I feel so interested in it hehe

[Rafa_guitars]

The second course in discrete math at my college was called discrete structures. But it was more of an applications course. It had a bit of algorithms also

[kevinyonan]

real skreet maths. In all seriousness, the part I liked the most about discrete math was the discrete math modeling and how useful it was.

[keithwald]

My background was in physics and stodgy 19th century continuous mathematics: vector and tensor analysis, PDE's, complex functions, etc. Well, okay, it's actually plenty fun. But _discrete_ _math_ is IMO much more charming. I only learned it in any detail much later, gradually, first from programming - from a data structures and algorithms viewpoint - and later for fun. Balakrishnan's nice little Dover reprint is a bit terse, but offers a good overview of things you can dig into further elsewhere if you are so inclined. Discrete math is wonderful stuff.

[vready]

Yes, the application of the Fibonacci sequence was a problem for me. I had to first learn the sequence and only then design an algorithm to calculate the Fibonacci sequence.

[robertolopez]

Brooo! WTF I barely found out you are from Cuba YouTube recommended me your Spanish channel today and it’s crazy

[hunterdelarm]

I struggle with discrete math. I love calculus/algebra but discrete causes pain for me. De Morgan/all the rules are very rigid for me to fully understand. I feel like in other math I have room to solve in my own way. Simple example: 2+2+2 I can do 2 * 3 or 2 ^ 2 in discrete I feel its "my way or highway"

[douglasstrother]

A few years ago, I rescued a copy of "Discrete Mathematics and its Applications" (4th Edition) by Kenneth H. Rosen from a recycling bin; it's a great read (draw diagrams!). Except for probability & Statistical Mechanics (Maxwell-Boltzmann, Fermi-Dirac, Bose-Einstein), *useful* math deals with continuous physical quantities. After all of my smooth & groovy analog signals get chopped-up by ADCs, it's all fancy counting!

It's curious that Discrete Math isn't part of the core courses for a Mathematics Major. How can you be at Math Major and not know how to count?
;)

[alpertanga]

Dave Mustaine talking about discrete math was all I need I guess. Thanks.