11 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] |
17505 | Using proper names properly doesn't involve necessary and sufficient conditions [Putnam] |
13343 | A 'model' is a sequence of objects which satisfies a complete set of sentential functions [Tarski] |
11908 | Putnam bases essences on 'same kind', but same kinds may not share properties [Mackie,P on Putnam] |
17508 | Science aims at truth, not at 'simplicity' [Putnam] |
17506 | I now think reference by the tests of experts is a special case of being causally connected [Putnam] |
13345 | Sentences are 'analytical' if every sequence of objects models them [Tarski] |
21097 | Modern monarchies are (like republics) rule by law, rather than by men [Hume] |
17507 | Natural kind stereotypes are 'strong' (obvious, like tiger) or 'weak' (obscure, like molybdenum) [Putnam] |
11904 | Express natural kinds as a posteriori predicate connections, not as singular terms [Putnam, by Mackie,P] |