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Shape: The Hidden Geometry of Information, Biology, Strategy, Democracy, and Everything Else
amazon.com
Since folks are asking:
The books I mentioned on @xai spaces are "Linear Algebra Done Right" by Axler and "Naive Set Theory" by Halmos. Other math books that I really enjoyed over the years:
"Introduction to Algorithms" by Thomas H. Cormen & Charles E. Leiserson & Ronald L. Rivest & Clifford... See more
Greg Yangx.comto a branch of mathematics called ‘topology’, which studies the shapes of things.