Combining Texts

All the ideas for 'Locke on Essences and Kinds', 'Letters to Edward Stillingfleet' and 'Manuscript remains'

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9 ideas

1. Philosophy / D. Nature of Philosophy / 1. Philosophy

21916

Philosophers can't be religious, and don't need to be; philosophy is perilous but free [Schopenhauer]

9. Objects / D. Essence of Objects / 3. Individual Essences

15990

Every individual thing which exists has an essence, which is its internal constitution [Locke]

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]

11. Knowledge Aims / B. Certain Knowledge / 1. Certainty

15994

If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke]

20. Action / B. Preliminaries of Action / 2. Willed Action / a. Will to Act

21924

As the subject of willing I am wretched, but absorption in knowledge is bliss [Schopenhauer]

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

21915

To deduce morality from reason is blasphemy, because it is holy, and far above reason [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]