Combining Texts

Ideas for 'The Fixation of Belief', 'English as a Formal Language' and 'Causal Powers'

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3 ideas

26. Natural Theory / B. Natural Kinds / 2. Defining Kinds

6939	What is true of one piece of copper is true of another (unlike brass) [Peirce]

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

15292

We can base the idea of a natural kind on the mechanisms that produce natural necessity [Harré/Madden]

26. Natural Theory / B. Natural Kinds / 7. Critique of Kinds

15299

Species do not have enough constancy to be natural kinds [Harré/Madden]