4 ideas
18086 | Weierstrass eliminated talk of infinitesimals [Weierstrass, by Kitcher] |
18092 | Weierstrass made limits central, but the existence of limits still needed to be proved [Weierstrass, by Bostock] |
1556 | By nature people are close to one another, but culture drives them apart [Hippias] |
16745 | No one even knows the nature and properties of a fly - why it has that colour, or so many feet [Bacon,R] |