8 ideas
| 23367 | Even pointing a finger should only be done for a reason [Epictetus] |
| 4304 | Descartes says there are two substance, Spinoza one, and Leibniz infinitely many [Cottingham] |
| 16678 | Without magnitude a thing would retain its parts, but they would have no location [Buridan] |
| 16793 | A thing is (less properly) the same over time if each part is succeeded by another [Buridan] |
| 4303 | The notion of substance lies at the heart of rationalist metaphysics [Cottingham] |
| 16577 | Induction is not demonstration, because not all of the instances can be observed [Buridan] |
| 16576 | Science is based on induction, for general truths about fire, rhubarb and magnets [Buridan] |
| 4306 | For rationalists, it is necessary that effects be deducible from their causes [Cottingham] |