6 ideas
6855 | Interesting philosophers hardly every give you explicitly valid arguments [Martin,M] |
13737 | The empiricist says that metaphysics is meaningless, rather than false [Schlick] |
6856 | Valid arguments can be rejected by challenging the premises or presuppositions [Martin,M] |
6857 | An error theory of perception says our experience is not as it seems to be [Martin,M] |
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] |