6 ideas
23367 | Even pointing a finger should only be done for a reason [Epictetus] |
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] |
23559 | We have the concept of 'knowledge' as a label for good informants [Craig, by Fricker,M] |
13345 | Sentences are 'analytical' if every sequence of objects models them [Tarski] |