6 ideas
19090 | If we can't check our language against experience, philosophy is just comparing beliefs and words [Rorty] |
13536 | Skolem did not believe in the existence of uncountable sets [Skolem] |
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] |