9 ideas
21552 | Common speech is vague; its vocabulary and syntax must be modified, for precision [Russell] |
21551 | Empirical words need ostensive definition, which makes them egocentric [Russell] |
12177 | Human artefacts may have essences, in their purposes [Popper] |
12176 | Science does not aim at ultimate explanations [Popper] |
21550 | Science reduces indexicals to a minimum, but they can never be eliminated from empirical matters [Russell] |
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] |