7 ideas
4304 | Descartes says there are two substance, Spinoza one, and Leibniz infinitely many [Cottingham] |
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] |
4303 | The notion of substance lies at the heart of rationalist metaphysics [Cottingham] |
1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
4306 | For rationalists, it is necessary that effects be deducible from their causes [Cottingham] |
5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |