5 ideas
22137 | Observation can force rejection of some part of the initial set of claims [Duhem, by Boulter] |
18197 | Experiments only test groups of hypotheses, and can't show which one is wrong [Duhem] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
16745 | No one even knows the nature and properties of a fly - why it has that colour, or so many feet [Bacon,R] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |