4 ideas
15380 | Barcan:nothing comes into existence; Converse:nothing goes out; Both:domain is unchanging [Vervloesem] |
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] |
1513 | The Egyptians were the first to say the soul is immortal and reincarnated [Herodotus] |