13 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] |
| 21500 | We rely on memory for empirical beliefs because they mutually support one another [Lewis,CI] |
| 21501 | If we doubt memories we cannot assess our doubt, or what is being doubted [Lewis,CI] |
| 6556 | If anything is to be probable, then something must be certain [Lewis,CI] |
| 21498 | Congruents assertions increase the probability of each individual assertion in the set [Lewis,CI] |
| 17508 | Science aims at truth, not at 'simplicity' [Putnam] |
| 5828 | Extension is the class of things, intension is the correct definition of the thing, and intension determines extension [Lewis,CI] |
| 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] |
| 11904 | Express natural kinds as a posteriori predicate connections, not as singular terms [Putnam, by Mackie,P] |
| 17507 | Natural kind stereotypes are 'strong' (obvious, like tiger) or 'weak' (obscure, like molybdenum) [Putnam] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |