4 ideas
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] |
12729 | The cause of a change is not the real influence, but whatever gives a reason for the change [Leibniz] |
3102 | Why don't we experience or remember going to sleep at night? [Magee] |