5 ideas
9987 | An aggregate in which order does not matter I call a 'set' [Bolzano] |
10856 | A truly infinite quantity does not need to be a variable [Bolzano] |
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] |
5655 | Happiness is not satisfaction of desires, but fulfilment of values [Bradley, by Scruton] |