4 ideas
17699 | Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel] |
15312 | We get the idea of power by abstracting from ropes, magnets and electric shocks [Priestley] |
7811 | Sophoclean heroes die terrible deaths when they oppose the new Athenian values [Sophocles, by Grayling] |
15311 | Attraction or repulsion are not imparted to matter, but actually constitute it [Priestley] |