10 ideas
| 5300 | Philosophers have interpreted the world, but the point is to change it [Marx] |
| 5297 | Whether human thinking can be 'true' must be decided in practice, not theory [Marx] |
| 13007 | Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz] |
| 6451 | Visual sense data are an inner picture show which represents the world [Blackburn] |
| 2866 | A true belief might be based on a generally reliable process that failed on this occasion [Blackburn] |
| 22598 | The authentic self exists at the level of class, rather than the individual [Marx, by Dunt] |
| 2864 | The main objection to intuitionism in ethics is that intuition is a disguise for prejudice or emotion [Blackburn] |
| 5298 | The human essence is not found in individuals but in social relations [Marx] |
| 2865 | Critics of prescriptivism observe that it is consistent to accept an ethical verdict but refuse to be bound by it [Blackburn] |
| 5299 | Religious feeling is social in origin [Marx] |