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] |
7334 | Anti-realism needs an intuitionist logic with no law of excluded middle [Dummett, by Miller,A] |
13343 | A 'model' is a sequence of objects which satisfies a complete set of sentential functions [Tarski] |
3303 | For anti-realists there are no natural distinctions between objects [Dummett, by Benardete,JA] |
5495 | Instances of pain are physical tokens, but the nature of pain is more abstract [Putnam, by Lycan] |
13345 | Sentences are 'analytical' if every sequence of objects models them [Tarski] |