display all the ideas for this combination of philosophers
3 ideas
4135 | Some ethical ideas, such as 'treachery' and 'promise', seem to express a union of facts and values [Williams,B] |
22410 | Maybe the unthinkable is a moral category, and considering some options is dishonourable or absurd [Williams,B] |
552 | Empedocles said good and evil were the basic principles [Empedocles, by Aristotle] |