9 ideas
19426 | 'Nominal' definitions just list distinguishing characteristics [Leibniz] |
8463 | Maths can be reduced to logic and set theory [Quine] |
8461 | The category of objects incorporates the old distinction of substances and their modes [Quine] |
19424 | Knowledge needs clarity, distinctness, and adequacy, and it should be intuitive [Leibniz] |
8462 | A hallucination can, like an ague, be identified with its host; the ontology is physical, the idiom mental [Quine] |
19427 | True ideas represent what is possible; false ideas represent contradictions [Leibniz] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
19425 | In the schools the Four Causes are just lumped together in a very obscure way [Leibniz] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |