9 ideas
| 20771 | Six parts: dialectic, rhetoric, ethics, politics, physics, theology [Cleanthes, by Diog. Laertius] |
| 19426 | 'Nominal' definitions just list distinguishing characteristics [Leibniz] |
| 19424 | Knowledge needs clarity, distinctness, and adequacy, and it should be intuitive [Leibniz] |
| 4871 | A thing is free if it acts only by the necessity of its own nature [Spinoza] |
| 6028 | Bodies interact with other bodies, and cuts cause pain, and shame causes blushing, so the soul is a body [Cleanthes, by Nemesius] |
| 20831 | The soul suffers when the body hurts, creates redness from shame, and pallor from fear [Cleanthes] |
| 19427 | True ideas represent what is possible; false ideas represent contradictions [Leibniz] |
| 19425 | In the schools the Four Causes are just lumped together in a very obscure way [Leibniz] |
| 5993 | The ascending scale of living creatures requires a perfect being [Cleanthes, by Tieleman] |