9 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] |
| 8463 | Maths can be reduced to logic and set theory [Quine] |
| 8461 | The category of objects incorporates the old distinction of substances and their modes [Quine] |
| 22598 | The authentic self exists at the level of class, rather than the individual [Marx, by Dunt] |
| 8462 | A hallucination can, like an ague, be identified with its host; the ontology is physical, the idiom mental [Quine] |
| 23801 | Biosemantics says content is useful mapping from a producer to a consumer system [Millikan, by Schulte] |
| 5298 | The human essence is not found in individuals but in social relations [Marx] |
| 5299 | Religious feeling is social in origin [Marx] |