4 ideas
8720 | A logic is 'relevant' if premise and conclusion are connected, and 'paraconsistent' allows contradictions [Priest,G, by Friend] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
18202 | The concept of a field gradually replaced the substances in explaining relations between charges [Einstein/Infeld] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |