8 ideas
| 3653 | My Meditations are the complete foundation of my physics [Descartes] |
| 19426 | 'Nominal' definitions just list distinguishing characteristics [Leibniz] |
| 4736 | Truth is such a transcendentally clear notion that it cannot be further defined [Descartes] |
| 19424 | Knowledge needs clarity, distinctness, and adequacy, and it should be intuitive [Leibniz] |
| 19427 | True ideas represent what is possible; false ideas represent contradictions [Leibniz] |
| 19216 | Propositions (such as 'that dog is barking') only exist if their items exist [Williamson] |
| 19425 | In the schools the Four Causes are just lumped together in a very obscure way [Leibniz] |
| 3652 | I can't prove the soul is indestructible, only that it is separate from the mortal body [Descartes] |