15 ideas
| 18812 | Split out the logical vocabulary, make an assignment to the rest. It's logical if premises and conclusion match [Tarski, by Rumfitt] |
| 13344 | X follows from sentences K iff every model of K also models X [Tarski] |
| 13343 | A 'model' is a sequence of objects which satisfies a complete set of sentential functions [Tarski] |
| 21799 | We just use the word 'faculty' when we don't know the psychological cause [Galen] |
| 13345 | Sentences are 'analytical' if every sequence of objects models them [Tarski] |
| 23865 | Morality would improve if people could pursue private interests [Weil] |
| 23866 | In oppressive societies the scope of actual control is extended by a religion of power [Weil] |
| 23871 | No central authority can initiate decentralisation [Weil] |
| 23867 | After a bloody revolution the group which already had the power comes to the fore [Weil] |
| 23870 | Decentralisation is only possible by co-operation between strong and weak - which is absurd [Weil] |
| 23863 | Only individual people of good will can achieve social progress [Weil] |
| 23869 | In the least evil societies people can think, control community life, and be autonomous [Weil] |
| 23861 | Marx showed that capitalist oppression, because of competition, is unstoppable [Weil] |
| 23868 | The pleasure of completing tasks motivates just as well as the whip of slavery [Weil] |
| 23864 | Inequality could easily be mitigated, if it were not for the struggle for power [Weil] |