Combining Texts

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

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

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5 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]

11. Knowledge Aims / C. Knowing Reality / 4. Solipsism

21227

The Cogito demands a bridge to the world, and ends in isolating the ego [Velarde-Mayol]

12. Knowledge Sources / B. Perception / 3. Representation

21215

The representation may not be a likeness [Velarde-Mayol]

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / d. Knowing essences

21219

Find the essence by varying an object, to see what remains invariable [Velarde-Mayol]