Combining Texts

All the ideas for 'Paradoxes of the Infinite', 'Darwinian Metaphysics: Species and Essentialism' and 'Letters to De Vries'

expand these ideas     |    start again     |     specify just one area for these texts

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4 ideas

4. Formal Logic / F. Set Theory ST / 1. Set Theory

9987	An aggregate in which order does not matter I call a 'set' [Bolzano]

6. Mathematics / A. Nature of Mathematics / 5. The Infinite / a. The Infinite

10856

A truly infinite quantity does not need to be a variable [Bolzano]

9. Objects / D. Essence of Objects / 14. Knowledge of Essences

4869	Experience does not teach us any essences of things [Spinoza]

27. Natural Reality / G. Biology / 5. Species

17366

Virtually all modern views of speciation rest on relational rather than intrinsic features [Okasha]