[Haskell-cafe] Release a book about math and programming in Haskell

Damien Mattei damien.mattei at gmail.com
Wed Oct 21 07:45:40 UTC 2020

Hello, as i say it in a private message this is really a great book!

the only thing i noticed parcouring (? french word) it is that there should
be a lot more programming examples to be both a Math (already) and
Programming book.



On Mon, Oct 19, 2020 at 10:13 AM Xinyu LIU <liuxinyu95 at gmail.com> wrote:

> Hi,
> I recently released a book about mathematics and programming in github:
> https://github.com/liuxinyu95/unplugged
> I mainly provide examples, and code snippets in Haskell. The PDF can be
> downloaded under GNU FDL license.
> There are 7 chapters together with 108 problems as exercise. I also
> included all the answers in the appendix. Here are the table of content:
> Preface - A story about isomorphism.
> Chapter 1, Natural numbers. Peano Axiom, list and folding;
> Chapter 2, Recursion. Euclidean algorithm, Lambda calculus, and
> Y-combinator;
> Chapter 3, Symmetry. Group, Ring, and Field. Galois Theory;
> Chapter 4, Category theory and type system;
> Chapter 5, Deforest. Build-fold fusion law, optimization, and algorithm
> deduction;
> Chapter 6, Infinity. Set theory, Infinity and stream;
> Chapter 7, Logic paradox, Gödel's incompleteness theorems, and Turing
> halting problem.
> Answers to the exercise.
> Xinyu LIU
> https://github.com/liuxinyu95/unplugged
> *e*^(*π*i)+1 = 0
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