13 ideas
| 19336 | Wisdom involves the desire to achieve perfection [Leibniz] |
| 17833 | The first-order ZF axiomatisation is highly non-categorical [Hallett,M] |
| 17834 | Non-categoricity reveals a sort of incompleteness, with sets existing that the axioms don't reveal [Hallett,M] |
| 17837 | Zermelo allows ur-elements, to enable the widespread application of set-theory [Hallett,M] |
| 17836 | The General Continuum Hypothesis and its negation are both consistent with ZF [Hallett,M] |
| 7696 | Leibniz first asked 'why is there something rather than nothing?' [Leibniz, by Jacquette] |
| 19341 | There must be a straining towards existence in the essence of all possible things [Leibniz] |
| 19428 | Because something does exist, there must be a drive in possible things towards existence [Leibniz] |
| 5047 | The world is physically necessary, as its contrary would imply imperfection or moral absurdity [Leibniz] |
| 19343 | We follow the practical rule which always seeks maximum effect for minimum cost [Leibniz] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 19429 | The principle of determination in things obtains the greatest effect with the least effort [Leibniz] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |