Combining Texts

All the ideas for 'Locke on Essences and Kinds', 'Science and Hypothesis' and 'On the Basis of Morality'

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8 ideas

6. Mathematics / B. Foundations for Mathematics / 7. Mathematical Structuralism / a. Structuralism

10180

Mathematicians do not study objects, but relations between objects [Poincaré]

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]

22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / b. Rational ethics

21375

Reason can be vicious, and great crimes have to be rational [Schopenhauer]

22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / e. Human nature

21379

Man's three basic ethical incentives are egoism, malice and compassion [Schopenhauer]

25. Social Practice / F. Life Issues / 6. Animal Rights

21376

Philosophy treats animals as exploitable things, ignoring the significance of their lives [Schopenhauer]

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]