7 ideas
| 21546 | We can't sharply distinguish variables, domains and values, if symbols frighten us [Russell] |
| 19404 | Necessities rest on contradiction, and contingencies on sufficient reason [Leibniz] |
| 21531 | Common sense agrees with Meinong (rather than Russell) that 'Pegasus is a flying horse' is true [Lackey on Russell] |
| 21545 | I prefer to deny round squares, and deal with the difficulties by the theory of denoting [Russell] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 19403 | Each of the infinite possible worlds has its own laws, and the individuals contain those laws [Leibniz] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |