4 ideas
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
16721 | Changes in secondary qualities are caused by changes in primary qualities [Giles of Orleans] |
5271 | Prejudice apart, push-pin has equal value with music and poetry [Bentham] |