7 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] |
13345 | Sentences are 'analytical' if every sequence of objects models them [Tarski] |
15677 | Moral right is linked to validity and truth, so morality is a matter of knowledge, not an expression of values [Habermas, by Finlayson] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
15671 | Move from individual willing of a general law, to willing norms agreed with other people [Habermas] |