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] |
9567 | Maths deals with quantities of physical significance, ignoring irrelevant features [Geroch] |
18671 | The ground for an attitude is not a thing's 'goodness', but its concrete characteristics [Ewing] |