Here are two free math books I came across (on x.com).
Games & Puzzles
This is targeted for the “liberal arts” so it is accessible for a broad audience. It does show mathematical beauty. Topics include:
- Rubik’s Cube
- Sudoku
- Hex
- Straight-cut Origami
Here is the link where it can be downloaded.
Everything You Always Wanted To Know About Mathematics*
(*But didn’t even know to ask)
Part I of the book is Learning to Think Mathematically
This free 698-page book teaches proofs, logic, and abstract math from scratch. A Guided Journey Into the World of Abstract Mathematics and the Writing of Proofs. Topics include:
- Truths and Proofs
- Induction
- Logic
- Sets
- Cardinality
- Combinatorics
Here is the link to the book.
