5 ideas
9987 | An aggregate in which order does not matter I call a 'set' [Bolzano] |
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
10856 | A truly infinite quantity does not need to be a variable [Bolzano] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
5959 | Some philosophers say the soul is light [Plutarch] |