25 ideas
2098 | The principle of sufficient reason is needed if we are to proceed from maths to physics [Leibniz] |
3646 | There is always a reason why things are thus rather than otherwise [Leibniz] |
2104 | No reason could limit the quantity of matter, so there is no limit [Leibniz] |
9406 | A class is natural when everybody can spot further members of it [Quinton] |
12270 | Being is one [Melissus, by Aristotle] |
19385 | All simply substances are in harmony, because they all represent the one universe [Leibniz] |
15730 | Extreme nominalists say all classification is arbitrary convention [Quinton] |
21346 | The ratio between two lines can't be a feature of one, and cannot be in both [Leibniz] |
15728 | The naturalness of a class depends as much on the observers as on the objects [Quinton] |
9407 | Properties imply natural classes which can be picked out by everybody [Quinton] |
15729 | Uninstantiated properties must be defined using the instantiated ones [Quinton] |
8520 | An individual is a union of a group of qualities and a position [Quinton, by Campbell,K] |
2105 | Things are infinitely subdivisible and contain new worlds, which atoms would make impossible [Leibniz] |
2106 | The only simple things are monads, with no parts or extension [Leibniz] |
2102 | Atomism is irrational because it suggests that two atoms can be indistinguishable [Leibniz] |
3059 | There is no real motion, only the appearance of it [Melissus, by Diog. Laertius] |
20965 | Leibniz upheld conservations of momentum and energy [Leibniz, by Papineau] |
5100 | The void is not required for change, because a plenum can alter in quality [Aristotle on Melissus] |
2103 | The idea that the universe could be moved forward with no other change is just a fantasy [Leibniz] |
2100 | Space and time are purely relative [Leibniz] |
2107 | No time exists except instants, and instants are not even a part of time, so time does not exist [Leibniz] |
2101 | If everything in the universe happened a year earlier, there would be no discernible difference [Leibniz] |
456 | Nothing could come out of nothing [Melissus] |
22894 | If time were absolute that would make God's existence dependent on it [Leibniz, by Bardon] |
2099 | The existence of God, and all metaphysics, follows from the Principle of Sufficient Reason [Leibniz] |