7 ideas
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
12741 | If experience is just a dream, it is still real enough if critical reason is never deceived [Leibniz] |
12740 | The strongest criterion that phenomena show reality is success in prediction [Leibniz] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
12721 | Light, heat and colour are apparent qualities, and so are motion, figure and extension [Leibniz] |
1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |