Combining Texts

All the ideas for 'Locke on Essences and Kinds', 'Consciousness, Philosophy and Mathematics' and 'Letters to Thomasius'

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7 ideas

6. Mathematics / C. Sources of Mathematics / 10. Constructivism / b. Intuitionism

8728	Intuitionist mathematics deduces by introspective construction, and rejects unknown truths [Brouwer]

9. Objects / D. Essence of Objects / 1. Essences of Objects

13432

The essence of a circle is the equality of its radii [Leibniz]

9. Objects / D. Essence of Objects / 13. Nominal Essence

15642

If kinds depend only on what can be observed, many underlying essences might produce the same kind [Eagle]

15645

Nominal essence are the observable properties of things [Eagle]

15643

Nominal essence mistakenly gives equal weight to all underlying properties that produce appearances [Eagle]

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]

27. Natural Reality / A. Classical Physics / 1. Mechanics / a. Explaining movement

12696

Bodies are recreated in motion, and don't exist in intervening instants [Leibniz]