4 ideas
22312 | Facts can be both positive and negative [Wittgenstein, by Potter] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
15314 | Faraday's single field of variable forces introduces a criterion of Unity into what is ultimate [Faraday, by Harré/Madden] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |