5 ideas
15943 | Limitation of Size is not self-evident, and seems too strong [Lavine on Neumann] |
13672 | All the axioms for mathematics presuppose set theory [Neumann] |
4038 | Properties are sets of their possible instances (which separates 'renate' from 'cordate') [Lewis, by Mellor/Oliver] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |