display all the ideas for this combination of texts
3 ideas
6939 | What is true of one piece of copper is true of another (unlike brass) [Peirce] |
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] |