12 ideas
17505 | Using proper names properly doesn't involve necessary and sufficient conditions [Putnam] |
11908 | Putnam bases essences on 'same kind', but same kinds may not share properties [Mackie,P on Putnam] |
17368 | Essentialism concerns the nature of a group, not its category [Devitt] |
17370 | Things that gradually change, like species, can still have essences [Devitt] |
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] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
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] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |
17369 | We name species as small to share properties, but large enough to yield generalisations [Devitt] |
17367 | Species are phenetic, biological, niche, or phylogenetic-cladistic [Devitt, by PG] |