5 ideas
15575 | Knowledge is not a static set of correct propositions, but a continuing search for better interpretations [Polt] |
3299 | In logic identity involves reflexivity (x=x), symmetry (if x=y, then y=x) and transitivity (if x=y and y=z, then x=z) [Baillie] |
15568 | When we consider possibilities, there must be something we are considering [Polt] |
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] |