9 ideas
12036 | Xenophanes began the concern with knowledge [Annas] |
12046 | Plato was the first philosopher who was concerned to systematize his ideas [Annas] |
17809 | Gödel showed that the syntactic approach to the infinite is of limited value [Kreisel] |
17810 | The study of mathematical foundations needs new non-mathematical concepts [Kreisel] |
12037 | Euripides's Medea is a key case of reason versus the passions [Annas] |
12040 | Virtue is a kind of understanding of moral value [Annas] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
17811 | The natural conception of points ducks the problem of naming or constructing each point [Kreisel] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |