6 ideas
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] |
16706 | Generation is when local motions aggregate to become a single subject [Nicholas of Autrecourt] |
1513 | The Egyptians were the first to say the soul is immortal and reincarnated [Herodotus] |