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Full Idea
'Cats are animals' has turned out to be a necessary truth.
Gist of Idea
'Cats are animals' has turned out to be a necessary truth
Source
Saul A. Kripke (Naming and Necessity lectures [1970], Lecture 3)
Book Ref
Kripke,Saul: 'Naming and Necessity' [Blackwell 1980], p.138
A Reaction
False! As Putnam has pointed out, we could yet discover that cats are subtly designed alien robots. This is a revealing error by Kripke, showing his desire to move from a useful logical clarification to an excessively amibitious metaphysics.
| 12375 | Whatever holds of a kind intrinsically holds of it necessarily [Aristotle] |
| 5446 | For essentialists two members of a natural kind must be identical [Ellis] |
| 5480 | The whole of our world is a natural kind, so all worlds like it necessarily have the same laws [Ellis] |
| 17053 | Gold's atomic number might not be 79, but if it is, could non-79 stuff be gold? [Kripke] |
| 4964 | 'Cats are animals' has turned out to be a necessary truth [Kripke] |
| 15292 | We can base the idea of a natural kind on the mechanisms that produce natural necessity [Harré/Madden] |
| 11907 | Maybe the identity of kinds is necessary, but instances being of that kind is not [Mackie,P] |