8 ideas
| 13432 | The essence of a circle is the equality of its radii [Leibniz] |
| 16698 | Days exist, and yet they seem to be made up of parts which don't exist [Burley] |
| 16690 | Unlike permanent things, successive things cannot exist all at once [Burley] |
| 1554 | Contradiction is impossible, since only one side of the argument refers to the true facts [Prodicus, by Didymus the Blind] |
| 12696 | Bodies are recreated in motion, and don't exist in intervening instants [Leibniz] |
| 1555 | People used to think anything helpful to life was a god, as the Egyptians think the Nile a god [Prodicus] |
| 535 | The gods are just personified human benefits [Prodicus] |
| 1543 | He denied the existence of the gods, saying they are just exaltations of things useful for life [Prodicus] |