5 ideas
| 15716 | If axioms and their implications have no contradictions, they pass my criterion of truth and existence [Hilbert] |
| 22518 | The actual must be possible, because it occurred [Aristotle] |
| 16566 | Poetry is more philosophic than history, as it concerns universals, not particulars [Aristotle] |
| 12719 | Clearly, force is that from which action follows, when unimpeded [Leibniz] |
| 12720 | Time doesn't exist, since its parts don't coexist [Leibniz] |