5 ideas
14235 | Saying 'they can become a set' is a tautology, because reference to 'they' implies a collection [Cargile] |
6408 | Russell needed three extra axioms to reduce maths to logic: infinity, choice and reducibility [Grayling] |
6414 | Two propositions might seem self-evident, but contradict one another [Grayling] |
20759 | Feelings are prior to intelligence; we should be content to live with our simplest feelings [Rousseau] |
19854 | We all owe labour in return for our keep, and every idle citizen is a thief [Rousseau] |