10 ideas
| 14633 | How do we tell a table's being contingently plastic from its being essentially plastic? [Jackson] |
| 14635 | An x is essentially F if it is F in every possible world in which it appears [Jackson] |
| 12177 | Human artefacts may have essences, in their purposes [Popper] |
| 14632 | Quine may have conflated de re and de dicto essentialism, but there is a real epistemological problem [Jackson] |
| 14631 | How can you show the necessity of an a posteriori necessity, if it might turn out to be false? [Jackson] |
| 12176 | Science does not aim at ultimate explanations [Popper] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 12175 | Galilean science aimed at true essences, as the ultimate explanations [Popper] |
| 12179 | Essentialist views of science prevent further questions from being raised [Popper] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |