12 ideas
| 8868 | Objective truth arises from interpersonal communication [Davidson] |
| 19426 | 'Nominal' definitions just list distinguishing characteristics [Leibniz] |
| 16661 | There are two sorts of category - referring to things, and to circumstances of things [Boethius] |
| 19424 | Knowledge needs clarity, distinctness, and adequacy, and it should be intuitive [Leibniz] |
| 8867 | A belief requires understanding the distinctions of true-and-false, and appearance-and-reality [Davidson] |
| 10347 | Objectivity is intersubjectivity [Davidson] |
| 8866 | If we know other minds through behaviour, but not our own, we should assume they aren't like me [Davidson] |
| 10346 | Knowing other minds rests on knowing both one's own mind and the external world [Davidson, by Dummett] |
| 19427 | True ideas represent what is possible; false ideas represent contradictions [Leibniz] |
| 8870 | Content of thought is established through communication, so knowledge needs other minds [Davidson] |
| 8869 | The principle of charity attributes largely consistent logic and largely true beliefs to speakers [Davidson] |
| 19425 | In the schools the Four Causes are just lumped together in a very obscure way [Leibniz] |