4 ideas
| 16756 | Substantial forms must exist, to explain the stability of metals like silver and tin [Albertus Magnus] |
| 21995 | Must production determine superstructure, or could it be the other way round? [Singer on Marx] |
| 20577 | Even decently paid workers still have their produce bought with money stolen from them [Marx] |
| 19399 | Prime matter is nothing when it is at rest [Leibniz] |