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Ideas for 'Locke on Essences and Kinds', 'The Fixation of Belief' and 'A Problem about Substitutional Quantification?'

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2 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 / 4. Source of Kinds

15641

Kinds are fixed by the essential properties of things - the properties that make it that kind of thing [Eagle]