New ask Hacker News story: Ask HN: How do I learn mathematics starting from almost no knowledge?

Ask HN: How do I learn mathematics starting from almost no knowledge?
3 by Man_On_the_Moon | 3 comments on Hacker News.
Hi all - In high school, I pretty much ignored math. I memorized everything without understanding anything. I got through AP calculus (and got a 5 on the exam but I honestly didn't really understand any of it). I didn't take any math in college. I can't help but feel like I missed out on great beauty. I was looking at an explanation of one of Euclid's proofs and this made me want to take action. I have almost none of the building blocks. Can anyone refer me to a book that starts from the very building blocks of math (I assume things like prime numbers) and the simplest logic and builds off these first principles to create understanding? I understand this probably doesn't exist, but is there anything close?

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