6 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] |
3519 | Man uses his body, so must be separate from it [Anon (Plat), by Maslin] |
22306 | To explain false belief we should take belief as relating to a proposition's parts, not to the whole thing [Russell] |
13345 | Sentences are 'analytical' if every sequence of objects models them [Tarski] |