6 ideas
| 8386 | Events are picked out by descriptions, and facts by whole sentences [Crane] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 8387 | A cause has its effects in virtue of its properties [Crane] |
| 8384 | The regularity theory explains a causal event by other items than the two that are involved [Crane] |
| 9425 | Lewis later proposed the axioms at the intersection of the best theories (which may be few) [Mumford on Lewis] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |