4 ideas
15130 | If a property is possible, there is something which can have it [Williamson] |
10245 | One geometry cannot be more true than another [Poincaré] |
13432 | The essence of a circle is the equality of its radii [Leibniz] |
12696 | Bodies are recreated in motion, and don't exist in intervening instants [Leibniz] |