18082 | Quantities and ratios which continually converge will eventually become equal [Newton] |
18084 | When successive variable values approach a fixed value, that is its 'limit' [Cauchy] |
18092 | Weierstrass made limits central, but the existence of limits still needed to be proved [Weierstrass ,by Bostock] |
18087 | If x changes by less and less, it must approach a limit [Dedekind] |
18187 | Theorems about limits could only be proved once the real numbers were understood [Maddy] |