5 ideas
| 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] |
| 21096 | The only purpose of government is to administer justice, which brings security [Hume] |
| 2594 | A true cause must involve a necessary connection between cause and effect [Malebranche] |