4 ideas
14797 | Vagueness is a neglected but important part of mathematical thought [Peirce] |
14798 | All communication is vague, and is outside the principle of non-contradiction [Peirce] |
19440 | How do you know you have conceived a thing deeply enough to assess its possibility? [Vaidya] |
3622 | The Cogito is not a syllogism but a self-evident intuition [Descartes] |