4 ideas
15927 | Definition just needs negation, known variables, conjunction, disjunction, substitution and quantification [Weyl, by Lavine] |
20064 | Actions are not mere effects of reasons, but are under their control [Audi,R] |
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] |