Combining Texts

All the ideas for 'Locke on Essences and Kinds', 'Proof that every set can be well-ordered' and 'Symbolic Logic (with Langford)'

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6 ideas

6. Mathematics / A. Nature of Mathematics / 5. The Infinite / e. Countable infinity

15897

Zermelo realised that Choice would facilitate the sort of 'counting' Cantor needed [Zermelo, by Lavine]

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]

10. Modality / B. Possibility / 8. Conditionals / a. Conditionals

7803	Modal logic began with translation difficulties for 'If...then' [Lewis,CI, by Girle]

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]