6 ideas
10242 | I apply structuralism to concrete and abstract objects indiscriminately [Quine] |
10243 | My ontology is quarks etc., classes of such things, classes of such classes etc. [Quine] |
13197 | The notion of substance is one of the keys to true philosophy [Leibniz] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
13198 | Gravity is within matter because of its structure, and it can be explained. [Leibniz] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |