6 ideas
17699 | Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel] |
4304 | Descartes says there are two substance, Spinoza one, and Leibniz infinitely many [Cottingham] |
579 | Cratylus said you couldn't even step into the same river once [Cratylus, by Aristotle] |
4303 | The notion of substance lies at the heart of rationalist metaphysics [Cottingham] |
578 | Cratylus decided speech was hopeless, and his only expression was the movement of a finger [Cratylus, by Aristotle] |
4306 | For rationalists, it is necessary that effects be deducible from their causes [Cottingham] |