Combining Texts

All the ideas for 'fragments/reports', 'Ancient Thought in Modern Physics' and 'Elucidation of some points in E.Schrder'

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

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3 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

14238

A class is an aggregate of objects; if you destroy them, you destroy the class; there is no empty class [Frege]

14. Science / D. Explanation / 2. Types of Explanation / j. Explanations by reduction

6552	You can only explain the qualities of large objects using entities which lack those qualities [Heisenberg]

21. Aesthetics / C. Artistic Issues / 7. Art and Morality

468	Musical performance can reveal a range of virtues [Damon of Ath.]