4 ideas
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
527 | Everything exists which anyone perceives [Metrodorus of Chios] |
16654 | Our words and concepts don't always correspond to what is out there [William of Ockham] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |