8 ideas
19426 | 'Nominal' definitions just list distinguishing characteristics [Leibniz] |
19424 | Knowledge needs clarity, distinctness, and adequacy, and it should be intuitive [Leibniz] |
5987 | Alcmaeon was the first to say the brain is central to thinking [Alcmaeon, by Staden, von] |
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] |
24043 | Soul must be immortal, since it continually moves, like the heavens [Alcmaeon, by Aristotle] |