20 ideas
192 | Only one thing can be contrary to something [Plato] |
13591 | Quantified modal logic collapses if essence is withdrawn [Quine] |
190 | If asked whether justice itself is just or unjust, you would have to say that it is just [Plato] |
13590 | Essences can make sense in a particular context or enquiry, as the most basic predicates [Quine] |
8483 | Necessity is relative to context; it is what is assumed in an inquiry [Quine] |
13589 | Possible worlds are a way to dramatise essentialism, and yet they presuppose essentialism [Quine] |
13588 | A rigid designator (for all possible worlds) picks out an object by its essential traits [Quine] |
20184 | The only real evil is loss of knowledge [Plato] |
20185 | The most important things in life are wisdom and knowledge [Plato] |
13592 | Beliefs can be ascribed to machines [Quine] |
191 | Everything resembles everything else up to a point [Plato] |
203 | Courage is knowing what should or shouldn't be feared [Plato] |
202 | No one willingly and knowingly embraces evil [Plato] |
193 | Some things are good even though they are not beneficial to men [Plato] |
197 | Some pleasures are not good, and some pains are not evil [Plato] |
200 | People tend only to disapprove of pleasure if it leads to pain, or prevents future pleasure [Plato] |
188 | Socrates did not believe that virtue could be taught [Plato] |
204 | Socrates is contradicting himself in claiming virtue can't be taught, but that it is knowledge [Plato] |
189 | If we punish wrong-doers, it shows that we believe virtue can be taught [Plato] |
651 | Eurytus showed that numbers underlie things by making pictures of creatures out of pebbles [Eurytus, by Aristotle] |