7 ideas
15941 | For intuitionists excluded middle is an outdated historical convention [Brouwer] |
16901 | The equivalent algebra model of geometry loses some essential spatial meaning [Burge] |
18247 | Brouwer saw reals as potential, not actual, and produced by a rule, or a choice [Brouwer, by Shapiro] |
16902 | Peano arithmetic requires grasping 0 as a primitive number [Burge] |
16892 | Is apriority predicated mainly of truths and proofs, or of human cognition? [Burge] |
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] |