Combining Texts

All the ideas for 'Set Theory and related topics (2nd ed)', 'The Analyst' and 'The Sceptical Chemist'

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

---

3 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / e. Equivalence classes

8920	Equivalence relations are reflexive, symmetric and transitive, and classify similar objects [Lipschutz]

6. Mathematics / A. Nature of Mathematics / 5. The Infinite / k. Infinitesimals

18091

Infinitesimals are ghosts of departed quantities [Berkeley]

27. Natural Reality / G. Biology / 3. Evolution

15961

I don't see how mere moving matter can lead to the bodies of men and animals, and especially their seeds [Boyle]