7 ideas
| 7783 | Bodies, properties, relations, events, numbers, sets and propositions are 'things' if they exist [Lowe] |
| 5049 | Intelligent pleasure is the perception of beauty, order and perfection [Leibniz] |
| 17371 | Some kinds are very explanatory, but others less so, and some not at all [Devitt] |
| 17372 | The higher categories are not natural kinds, so the Linnaean hierarchy should be given up [Devitt] |
| 17373 | Species pluralism says there are several good accounts of what a species is [Devitt] |
| 5048 | Perfection is simply quantity of reality [Leibniz] |
| 5050 | Evil serves a greater good, and pain is necessary for higher pleasure [Leibniz] |