17 ideas
192 | Only one thing can be contrary to something [Plato] |
19043 | Bivalence applies not just to sentences, but that general terms are true or false of each object [Quine] |
19042 | Terms learned by ostension tend to be vague, because that must be quick and unrefined [Quine] |
190 | If asked whether justice itself is just or unjust, you would have to say that it is just [Plato] |
12712 | Substance is that which can act [Leibniz] |
20184 | The only real evil is loss of knowledge [Plato] |
20185 | The most important things in life are wisdom and knowledge [Plato] |
12737 | Nature can be fully explained by final causes alone, or by efficient causes alone [Leibniz] |
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] |
189 | If we punish wrong-doers, it shows that we believe virtue can be taught [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] |