5 ideas
8923 | Numbers are identified by their main properties and relations, involving the successor function [MacBride] |
15897 | Zermelo realised that Choice would facilitate the sort of 'counting' Cantor needed [Zermelo, by Lavine] |
8926 | For mathematical objects to be positions, positions themselves must exist first [MacBride] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |