5 ideas
9558 | All scientific tests will verify mathematics, so it is a background, not something being tested [Sober] |
16635 | Incorporeal substances are powers or forces [Descartes, by Pasnau] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
16684 | Impenetrability only belongs to the essence of extension [Descartes] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |