Combining Texts

All the ideas for 'Letters to Antoine Arnauld', 'Is Mathematics purely Linguistic?' and 'Locke on Essences and Kinds'

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6 ideas

6. Mathematics / C. Sources of Mathematics / 4. Mathematical Empiricism / c. Against mathematical empiricism

21963

It is possible that an omnipotent God might make one and two fail to equal three [Descartes]

6. Mathematics / C. Sources of Mathematics / 7. Formalism

21570

Numbers are just verbal conveniences, which can be analysed away [Russell]

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]