display all the ideas for this combination of texts
4 ideas
15994 | If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke] |
13006 | Certainty is where practical doubt is insane, or at least blameworthy [Leibniz] |
12996 | I know more than I think, since I know I think A then B then C [Leibniz] |
13003 | The Cogito doesn't prove existence, because 'I am thinking' already includes 'I am' [Leibniz] |