6 ideas
6408 | Russell needed three extra axioms to reduce maths to logic: infinity, choice and reducibility [Grayling] |
4304 | Descartes says there are two substance, Spinoza one, and Leibniz infinitely many [Cottingham] |
6019 | If someone squashed a horse to make a dog, something new would now exist [Mnesarchus] |
6414 | Two propositions might seem self-evident, but contradict one another [Grayling] |
4303 | The notion of substance lies at the heart of rationalist metaphysics [Cottingham] |
4306 | For rationalists, it is necessary that effects be deducible from their causes [Cottingham] |