5 ideas
8754 | Logic is dependent on mathematics, not the other way round [Heyting, by Shapiro] |
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] |
7566 | The Identity of Indiscernibles is really the same as the verification principle [Jolley] |
12721 | Light, heat and colour are apparent qualities, and so are motion, figure and extension [Leibniz] |