4 ideas
9117 | The smallest heap has four objects: three on the bottom, one on the top [Hart,WD, by Sorensen] |
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] |
19745 | The nature of people is decided by the government and politics of their society [Rousseau] |