Combining Texts

Ideas for 'How Things Might Have Been', 'Method and Results' and 'The Essence of Reference'

expand these ideas     |    start again     |     choose another area for these texts

display all the ideas for this combination of texts

---

1 idea

26. Natural Theory / B. Natural Kinds / 6. Necessity of Kinds

11907

Maybe the identity of kinds is necessary, but instances being of that kind is not [Mackie,P]