5 ideas
15941 | For intuitionists excluded middle is an outdated historical convention [Brouwer] |
10800 | The values of variables can't determine existence, because they are just expressions [Ryle, by Quine] |
18247 | Brouwer saw reals as potential, not actual, and produced by a rule, or a choice [Brouwer, by Shapiro] |
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] |