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] |
7296 | 'Grue' is not a colour [Milsted] |
4398 | An event causes another just if the second event would not have happened without the first [Lewis, by Psillos] |