4 ideas
17949 | Inquiry is the cause of philosophy [Aristotle] |
15990 | Every individual thing which exists has an essence, which is its internal constitution [Locke] |
13082 | The complete concept of an individual includes contingent properties, as well as necessary ones [Leibniz] |
15994 | If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke] |