Combining Texts

All the ideas for 'Set Theory and related topics (2nd ed)', 'works' and 'An Outline of Empiricism'

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

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4 ideas

2. Reason / A. Nature of Reason / 7. Status of Reason

23248

Early empiricists said reason was just a useless concept introduced by philosophers [Galen, by Frede,M]

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]

14. Science / B. Scientific Theories / 1. Scientific Theory

22363

You have only begun to do real science when you can express it in numbers [Kelvin]

27. Natural Reality / A. Classical Physics / 2. Thermodynamics / a. Energy

20644

Energy has progressed from a mere formula, to a principle pervading all nature [Kelvin]