8 ideas
| 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] |
| 7293 | It is legitimate to do harm if it is the unintended side-effect of an effort to achieve a good [Grayling] |
| 541 | Virtue comes more from habit than character [Critias] |
| 7292 | War must also have a good chance of success, and be waged with moderation [Grayling] |
| 542 | Fear of the gods was invented to discourage secret sin [Critias] |