4 ideas
10855 | Actual infinities are not allowed in mathematics - only limits which may increase without bound [Gauss] |
4001 | The meaning of a word contains all its possible uses as well as its actual ones [Nagel] |
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] |