5 ideas
| 16252 | Metaphysics uses empty words, or just produces pseudo-statements [Carnap] |
| 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] |
| 12721 | Light, heat and colour are apparent qualities, and so are motion, figure and extension [Leibniz] |
| 18265 | We don't judge by combining subject and concept; we get a concept by splitting up a judgement [Frege] |