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] |
17783 | A number is not a multitude, but a unified ratio between quantities [Newton] |
16751 | Unity by aggregation, order, inherence, composition, and simplicity [Conimbricense, by Pasnau] |
16720 | Secondary qualities come from temperaments and proportions of primary qualities [Conimbricense] |
13345 | Sentences are 'analytical' if every sequence of objects models them [Tarski] |