5 ideas
19404 | Necessities rest on contradiction, and contingencies on sufficient reason [Leibniz] |
15990 | Every individual thing which exists has an essence, which is its internal constitution [Locke] |
15994 | If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke] |
18988 | Behind the bare phenomenal facts there is nothing [Wright,Ch] |
19403 | Each of the infinite possible worlds has its own laws, and the individuals contain those laws [Leibniz] |