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] |
14283 | A conditional probability does not measure the probability of the truth of any proposition [Lewis, by Edgington] |
4870 | The most beautiful hand seen through the microscope will appear horrible [Spinoza] |