4 ideas
10801 | Either reference really matters, or we don't need to replace it with substitutions [Quine] |
22450 | If moral systems can't judge other moral systems, then moral relativism is true [Williams,B, by Foot] |
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] |