8 ideas
19426 | 'Nominal' definitions just list distinguishing characteristics [Leibniz] |
18085 | Values that approach zero, becoming less than any quantity, are 'infinitesimals' [Cauchy] |
18084 | When successive variable values approach a fixed value, that is its 'limit' [Cauchy] |
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] |
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] |