5 ideas
21829 | Philosophy aims to understand how things (broadly understood) hang together (broadly understood) [Sellars] |
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] |
6550 | Reduction requires that an object's properties consist of its constituents' properties and relations [Sellars] |
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] |