6 ideas
| 7822 | A neo-Stoic movement began in the late sixteenth century [Lipsius, by Grayling] |
| 10882 | Predicative definitions only refer to entities outside the defined collection [Horsten] |
| 10884 | A theory is 'categorical' if it has just one model up to isomorphism [Horsten] |
| 10885 | Computer proofs don't provide explanations [Horsten] |
| 10881 | The concept of 'ordinal number' is set-theoretic, not arithmetical [Horsten] |
| 5996 | Critolaus redefined Aristotle's moral aim as fulfilment instead of happiness [Critolaus, by White,SA] |