3 replies on “Math From Scratch 0003: Whole and Natural Numbers”

  1. For the completist, you might like Landau’s “Foundations of Analysis”, which starts with set theory and derives the integers, fractions, real numbers, and complex numbers.

    • We’ll get to those in this series, too. I’m hoping to hit the rational numbers by the end of the year, but it might be tight. I doubt we’ll reach the reals. Definitely won’t hit the complex numbers.

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