2 Answered Questions for the topic math history
Who came up with the $\\varepsilon$-$\\delta$ definitions and the axioms in Real Analysis?
I've seen a lot of definitions of notions like boundary points, accumulation points, continuity, etc, and axioms for the set of the real numbers. But I have a hard time accepting these as "true"... more
Why are turns not used as the default angle measure?
Why is $2\\pi$ radians not replaced by $1$ turn in formulas? The majority of them would be simpler. If such a replacement was proposed earlier, why was it declined?