7 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] |
| 16700 | In order to speak about time and successive entities, the 'present' must be enlarged [Wycliff] |
| 16701 | To be successive a thing needs parts, which must therefore be lodged outside that instant [Wycliff] |
| 12729 | The cause of a change is not the real influence, but whatever gives a reason for the change [Leibniz] |